TEMP and more logging

trying to see what is happening that the changes to a directory are not being
seen by the gitdocs process during the Travis execution. But the assertions in
the test do see that the directory has changed.

lib/gitdocs/runner.rb

@@ -69,10 +69,12 @@ def sync_changes
       return unless @repository.valid?
 
       # Commit #################################################################
-      @repository.commit if @share.sync_type == 'full'
+      commit_result = @repository.commit if @share.sync_type == 'full'
+      Gitdocs.logger.info("commit_result: #{commit_result}")
 
       # Fetch ##################################################################
       fetch_result = @repository.fetch
+      Gitdocs.logger.info("fetch_result: #{fetch_result}")
       return unless fetch_result == :ok
       return if @share.sync_type == 'fetch'