[rbenv] Add mailcatcher to default gems
[ruby] silent gem install
[git] filter media changes
[ruby] add terminal-notifier to default gems
[vim] remove ctrlp-cmdpalette
[vim] added vim-bufonly
[vim] added file-line
[vim] added vim-linediff
[vim] better command completion
[vim] system clipboard sync
[vim] use CtrlPMixed by default
[vim] projectionist opens dir for feature/step
[vim] fix clipboard history mappings
[vim] substitute operator
[vim] few improvements