Change /* comments inside SCSS selectors to //

This type of commet can cause empty rules to be emitted
http://sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#comments
This classes should get removed by the compressor, but still get flagged
by CSSLint
Merge pull request #995 from nschonni/single-line-comments-in-nested-scss

Change /* comments inside SCSS selectors to //
Update CSSLint to 0.9.10

My earlier PRs to Parser-lib that weren't inlcuded in the last realease
are now present. Switching back to production release.
Merge pull request #996 from nschonni/update-CSSLint-0.9.10

Update CSSLint to 0.9.10
Updated the secured variables for the post build script
Merge branch 'v3.0'