Update file paths in gruntfile.
Update file paths in gruntfile.

gruntfile was hard-coded to only lint a few folders. Updated the file
paths to include everything but /Lib/ in the scripts folders.

stevenhillcox/voting-application,JDawes-ScottLogic/voting-application,tpkelly/voting-application,JDawes-ScottLogic/voting-application,stevenhillcox/voting-application,tpkelly/voting-application,stevenhillcox/voting-application,JDawes-ScottLogic/voting-application,Generic-Voting-Application/voting-application,tpkelly/voting-application,Generic-Voting-Application/voting-application,Generic-Voting-Application/voting-application