[FABG-787] Document BCCSP section as optional

Cosmetic. Update example `config.yaml`s to document that `BCCSP` section is
optional.

Change-Id: Ie0ee8c402c2ff215ff13e7cf49e15d9a43511d15
Signed-off-by: Nye Liu <nye@blockdaemon.com>

Author: nyetwurk

test/fixtures/config/config_e2e.yaml

@@ -80,7 +80,7 @@ client:
       # Specific to the underlying KeyValueStore that backs the crypto key store.
       path: /tmp/msp
 
-   # BCCSP config for the client. Used by GO SDK.
+  # [Optional] BCCSP config for the client. Used by GO SDK.
   BCCSP:
     security:
      enabled: true
@@ -111,7 +111,7 @@ channels:
   # Default channel is used if channel configuration is missing or if defined channel configuration is missing info
   # If channel doesn't define peers then peers from default channel will be used
   # If channel doesn't define orderes then orderes from default channel will be used
-  # If channel doesn't define policies then policies from default channel will be used. 
+  # If channel doesn't define policies then policies from default channel will be used.
   # Also, if channel defines policies and some policy info is missing than that missing info will be filled from default channel.
   _default:
 
@@ -207,14 +207,14 @@ channels:
         #   - Setting this value too low may cause the event client to disconnect/reconnect too frequently, thereby
         #     affecting performance.
         reconnectBlockHeightLagThreshold: 8
-        
+
         # [Optional] peerMonitorPeriod is the period in which the connected peer is monitored to see if
         # the event client should disconnect from it and reconnect to another peer.
         # Default: 0 (disabled) for Balanced resolverStrategy; 5s for PreferOrg and MinBlockHeight strategy
         peerMonitorPeriod: 6s
 
 
-  #[Required if _default not defined; Optional if _default defined]. 
+  #[Required if _default not defined; Optional if _default defined].
   # name of the channel
   mychannel:
 
@@ -249,7 +249,7 @@ channels:
         # Default: true
         eventSource: true
 
- 
+
 #
 # list of participating organizations in this network
 #

test/fixtures/config/config_e2e_multiorg_bootstrap.yaml

@@ -42,7 +42,7 @@ client:
       # Specific to the underlying KeyValueStore that backs the crypto key store.
       path: /tmp/msp
 
-   # BCCSP config for the client. Used by GO SDK.
+  # [Optional] BCCSP config for the client. Used by GO SDK.
   BCCSP:
     security:
      enabled: true
@@ -199,4 +199,4 @@ entityMatchers:
     - pattern: (\w+).org2.example.com:(\d+)
       urlSubstitutionExp: ${1}.org2.example.com:${2}
       sslTargetOverrideUrlSubstitutionExp: ${1}.org2.example.com
-      mappedHost: peer0.org2.example.com
+      mappedHost: peer0.org2.example.com

test/fixtures/config/config_e2e_no_orderer.yaml

@@ -44,7 +44,7 @@ client:
       # Specific to the underlying KeyValueStore that backs the crypto key store.
       path: /tmp/msp
 
-   # BCCSP config for the client. Used by GO SDK.
+  # [Optional] BCCSP config for the client. Used by GO SDK.
   BCCSP:
     security:
      enabled: true

test/fixtures/config/config_e2e_pkcs11.yaml

@@ -39,7 +39,7 @@ client:
       # Specific to the underlying KeyValueStore that backs the crypto key store.
       path: /tmp/msp
 
-   # BCCSP config for the client. Used by GO SDK.
+  # [Optional] BCCSP config for the client. Used by GO SDK.
   BCCSP:
     security:
      enabled: true

test/fixtures/config/config_e2e_single_org.yaml

@@ -80,7 +80,7 @@ client:
       # Specific to the underlying KeyValueStore that backs the crypto key store.
       path: /tmp/msp
 
-   # BCCSP config for the client. Used by GO SDK.
+  # [Optional] BCCSP config for the client. Used by GO SDK.
   BCCSP:
     security:
      enabled: true

test/fixtures/config/config_test.yaml

@@ -81,7 +81,7 @@ client:
       # Specific to the underlying KeyValueStore that backs the crypto key store.
       path: /tmp/msp
 
-   # BCCSP config for the client. Used by GO SDK.
+  # [Optional] BCCSP config for the client. Used by GO SDK.
   BCCSP:
     security:
      enabled: true
@@ -112,7 +112,7 @@ channels:
   # Default channel is used if channel configuration is missing or if defined channel configuration is missing info
   # If channel doesn't define peers then peers from default channel will be used
   # If channel doesn't define orderes then orderes from default channel will be used
-  # If channel doesn't define policies then policies from default channel will be used. 
+  # If channel doesn't define policies then policies from default channel will be used.
   # Also, if channel defines policies and some policy info is missing than that missing info will be filled from default channel.
   _default:
 
@@ -183,7 +183,7 @@ channels:
           maxBackoff: 5s
           #[Optional] he factor by which the initial back off period is exponentially incremented
           backoffFactor: 2.0
-          
+
       #[Optional] options for the event service
       eventService:
         # [Optional] resolverStrategy specifies the peer resolver strategy to use when connecting to a peer

test/fixtures/config/config_test_crypto_bccsp.yaml

@@ -32,7 +32,7 @@ client:
       # Specific to the underlying KeyValueStore that backs the crypto key store.
       path: /tmp/msp
 
-   # BCCSP config for the client. Used by GO SDK.
+  # [Optional] BCCSP config for the client. Used by GO SDK.
   BCCSP:
     security:
      enabled: true

test/fixtures/config/config_test_endpoints.yaml

@@ -71,7 +71,7 @@ client:
       # Specific to the underlying KeyValueStore that backs the crypto key store.
       path: /tmp/msp
 
-   # BCCSP config for the client. Used by GO SDK.
+  # [Optional] BCCSP config for the client. Used by GO SDK.
   BCCSP:
     security:
      enabled: true
@@ -101,7 +101,7 @@ channels:
   # Default channel is used if channel configuration is missing or if defined channel configuration is missing info
   # If channel doesn't define peers then peers from default channel will be used
   # If channel doesn't define orderes then orderes from default channel will be used
-  # If channel doesn't define policies then policies from default channel will be used. 
+  # If channel doesn't define policies then policies from default channel will be used.
   # Also, if channel defines policies and some policy info is missing than that missing info will be filled from default channel.
   _default:
     # Required. list of orderers designated by the application to use for transactions on this

test/fixtures/config/config_test_without_orderer.yaml

@@ -44,7 +44,7 @@ client:
       # Specific to the underlying KeyValueStore that backs the crypto key store.
       path: /tmp/msp
 
-   # BCCSP config for the client. Used by GO SDK.
+  # [Optional] BCCSP config for the client. Used by GO SDK.
   BCCSP:
     security:
      enabled: true
@@ -75,7 +75,7 @@ channels:
   # Default channel is used if channel configuration is missing or if defined channel configuration is missing info
   # If channel doesn't define peers then peers from default channel will be used
   # If channel doesn't define orderes then orderes from default channel will be used
-  # If channel doesn't define policies then policies from default channel will be used. 
+  # If channel doesn't define policies then policies from default channel will be used.
   # Also, if channel defines policies and some policy info is missing than that missing info will be filled from default channel.
   _default:
 
@@ -146,7 +146,7 @@ channels:
           maxBackoff: 5s
           #[Optional] he factor by which the initial back off period is exponentially incremented
           backoffFactor: 2.0
-          
+
       #[Optional] options for the event service
       eventService:
         # [Optional] resolverStrategy specifies the peer resolver strategy to use when connecting to a peer