de-nest git variables for extra-vars compatibility

Author: donsizemore

tasks/dataverse-install.yml

@@ -19,7 +19,7 @@
     dest: /tmp
 
 - include: dataverse-build.yml
-  when: dataverse_branch
+  when: dataverse_branch is defined
 
 - name: fix perms on dataverse-war
   file: path=/tmp/dvinstall/dataverse.war mode=0644

tasks/dataverse-solr.yml

@@ -74,7 +74,7 @@
         group: "{{ dataverse.solr.group }}"
         mode: 0644
         remote_src: yes
-  when: dataverse_branch
+  when: dataverse_branch is defined
 
 # ----- solrconfig.xml -------------------------------------------
 - name: get solrconfig
@@ -94,7 +94,7 @@
         group: "{{ dataverse.solr.group }}"
         mode: 0644
         remote_src: yes
-  when: dataverse_branch
+  when: dataverse_branch is defined
 
 #- name: adjust jetty.xml requestHeaderSize
 #  replace:

tasks/main.yml

@@ -15,7 +15,7 @@
   tags: postgres
 
 - include: dataverse-branch.yml
-  when: dataverse_branch
+  when: dataverse_branch is defined
 
 - include: dataverse-glassfish.yml
   tags: glassfish