update to v0.7 of dfm

* dotfiles repository can now be outside of home directory, using $DFM_REPO
* add help subcommand and refactor help handling
* make 'help' the default subcommand (seth--)
* better parsing of arguments to preserve all arguments passed through to git subcommands
Merge remote-tracking branch 'upstream/master'
Add slime and lispworks
Fix powerline issues after Mavericks upgrade
Add vim swap files to ignore
Updated after rvm install
Modify gundo plugin settings
Merge gitingore changes