Merge pull request #741 from am11/master

Compiler: Fixed njsproj compilation issue
Merge pull request #742 from am11/master

Markdown: Fixes #738
Fixed wrong name and description in About box
Change CopyToOutputDirectory to PreserveNewest

Change csproj all CopyToOutputDirectory from Always to PreserveNewest.
PreBuildTask catch nodejs stderr

Fix in PreBuildTask.ExecWithOutputAsync(). Originally it declare var
output but not using it. I found running node npm will output to sterr,
so change the output into error, and return the right error message from
it.
JSHint: Removed unneeded output outlined in #737
Merge pull request #745 from ChrisTorng/master

Refine build related issues
JSCS: Undo #637 hack to remove xml item

#693 have JSCS 1.3 that fix jscs #212, so it's time to undo #637 hack to
remove xml item.
Merge pull request #746 from ChrisTorng/master

JSCS: Undo #637 hack to remove xml item
Zencoding: Rendering issue fixed.
madskristensen/zencoding#37