Add browse-kill-ring package
Adds comments to sample modules.
Updates key chord bindings.
Merge pull request #457 from climatewarrior/updateKeyChords

Updates key chord bindings.
Merge pull request #456 from climatewarrior/add-module-docs

Adds comments to sample modules.
Enable browse-kill-ring's default keybindings
Adds default tab size settings.
Merge remote-tracking branch 'bbatsov/master'
Removes emacs-eclim and octave modes, adds yasnippet.
Replaces paredit with smartparens.