Light, temporary commits for git

Current versions:



git-now requires the following formula to be installed:

Formula history

Mike McQuaidUse hash rockets again. (#5177)
Mike McQuaidUse Ruby 1.9+ symbol hash keys in all formulae. (#4942)
Nikolaus WittensteinAdd descriptions to all remaining homebrew packages
Alex Dunngit-now
Jack Nagelgit-now: use patch DSL
Adam Vandenberggit-now: install to libexec
Jack NagelDetect versions in tag specs
Adam Vandenberguse bash/zsh path helpers