Adding Github command to vimrc.
Adding (commented out) pathogen initialization to vimrc.
Use git histogram diff by default.
Merge remote-tracking branch 'origin/master'

Conflicts:
	rc/gitconfig
Updating git-tools.
Updating replace-all script to pass -i as --in-place.

I forget why this mattered.
Adding simple sum-all tool, to sum all numbers on stdin.
Make filter-logcat a bit more aggressive.
Update bin/to-mp3.