Remove "/index.html" from homepage-url.

Author: bschwb

src/brackets.config.json

@@ -11,7 +11,7 @@
         "get_involved_url"           : "https://github.com/adobe/brackets/blob/master/CONTRIBUTING.md",
         "glob_help_url"              : "https://github.com/adobe/brackets/wiki/Using-File-Filters",
         "release_notes_url"          : "https://github.com/adobe/brackets/wiki/Release-Notes",
-        "homepage_url"               : "http://brackets.io/index.html",
+        "homepage_url"               : "http://brackets.io",
         "twitter_url"                : "https://twitter.com/brackets",
         "troubleshoot_url"           : "https://github.com/adobe/brackets/wiki/Troubleshooting#wiki-livedev",
         "twitter_name"               : "@brackets",

src/config.json

@@ -10,7 +10,7 @@
         "get_involved_url": "https://github.com/adobe/brackets/blob/master/CONTRIBUTING.md",
         "glob_help_url": "https://github.com/adobe/brackets/wiki/Using-File-Filters",
         "release_notes_url": "https://github.com/adobe/brackets/wiki/Release-Notes",
-        "homepage_url": "http://brackets.io/index.html",
+        "homepage_url": "http://brackets.io",
         "twitter_url": "https://twitter.com/brackets",
         "troubleshoot_url": "https://github.com/adobe/brackets/wiki/Troubleshooting#wiki-livedev",
         "twitter_name": "@brackets",