Ignore /source/javascripts/build/
Merge pull request #1128 from xuhdev/patch-1

Ignore /source/javascripts/build/
Improved UX for setup_github_pages task a bit more (these things are important).
Don't expand scheme relative urls
Use scheme relative URLs.
Merge pull request #1137 from willchan/SchemeRelativeFixes2.1

Scheme relative fixes
Merge branch '2.1' of git://github.com/imathis/octopress