Add brew file to install default tools

Moving away from boxen
default excludes
Do not install brewfile
Use gh instead of hub
Re add vim defaults

line numbers
line length
mouse usage
Default for filetypes
Remap some basics, autocomplete and trim whitespaces
New aliases
Fix backward search
Add phantoms and vmware-fusion
Adapt brew file and add heroku-toolbelt
No more boxen
Kill the boxen
Change go path
Use chruby
alias gh to git
Better git prompt and use chruby for ruby prompt
Change path for postgres
Clean up