Avoided symlinking TODO file.
Removed old gems.github.com gem source.
RVM automatically added its own source line.
Aliased git to hub superset command.
Added a couple of simple aliases and renamed clashing aliases.
Set environment variables for the right version of the C compiler.
Added new location of Groovy to the PATH.
Commented out setting of DYLD_LIBRARY_PATH which was causing brew doctor to complain.
Relocated NODE_PATH.
Defined COMMUNITY_OID for HIE apps.
Removed redundant setup of bash completed for brew.
Tweaked prompt.
Sourced default settings for Mac OS X.
Added Mac OS X defaults.
Modified TODO comments.
Removed trick to invoke rvm cd alias without changing directory.
Added RVM scripts to the PATH.