VimRC: Updated lots of bundles/settings.

* Replaced old powerline with airline
* Added many new swap words
* Removed lots of old/unneeded bundles
* Added fzf and ag shortcuts (,ag ,s)
* Added ruby+rails support
* Added commandline mode clipboard paste shortcut (ctrl+y)
* Added vim profiling shortcuts
* Updated the fonts

Signed-off-by: Hermann Mayer <hermann.mayer92@gmail.com>