Updated tmux.conf

* tweaks to status bar
* binding to swap panes
* switched copying to use new (tmux 1.8) copy-pipe command
Removed easy-mostion from vim plugins.
Updated tmux-utilities unpublished plugin.
Updated vimrc_settings

The cursorline and foldmethod changes help with performance.
Added ctrl-q mapping for easy quit.
Changed ,ag to use :Ag command in unpublished tmux-utilities plugin.
Changed mapping for CtrlPCurFile back to ,f
Removed mapping for TagBarToggle
Removed easymotion config.
Changed g:TmuxTargetPane to 1.0
Added ctags-chooser unpublished plugin.
Added a few git related bash aliases.
Added command line utility for ruby string manip.
Added modified tmuxstart.
Added watch-git utility.