Prompt shows last two dirs w/o tilde expansion
Proper message for installing mac specifics

"Installing dependencies" was too misleading. A better idea is to indicate that
we are setting mac specifics and installing home brew.
Automatic upgrade on reload

Once a day, a newly loaded prompt will suggest to upgrade. On upgrade, new
files are pulled from git and the bootstrapping is commenced.
Faster path lookup for powerline config

Powerline is installed in the python user base. Instead of looking up the
package location of powerline with pip, we can just use the base path of the
user base and append to it.

This saves some 200+ms for the slow pip lookup.
No more prefixing of vim's search with \v
Sudo after the fact with :w!! in vim
Added paste toggle mapping