Cleaning up gitignore

Author: mikecbrant

.gitignore

@@ -63,7 +63,7 @@ local.properties
 .builds
 *.dotCover
 
-## TODO: If you have NuGet Package Restore enabled, uncomment this
+## If you have NuGet Package Restore enabled, uncomment this
 #packages/
 
 # Visual C++ cache files
@@ -161,4 +161,6 @@ pip-log.txt
 
 # Mac crap
 .DS_Store
+
+## Composer
 vendor