Create .npmignore save 2.5mb when publishing

Create .npmignore save 2.5mb when publishing

Modernizr lib depends on Grunt Actual
cast parent of subproperties to bool if they are not ones already
Merge pull request #1281 from patrickkettner/castBool

cast parent of subproperties to bool if they are not ones already
Merge pull request #1277 from thanpolas/add-npmignore

Create .npmignore save 2.5mb when publishing
Merge pull request #1 from Modernizr/master

update