bashrc: Heroku and Go helpers

Signed-off-by: Adrian-Tudor Panescu <adrian@panescu.com>
jshintrc: strict mode

Signed-off-by: Adrian-Tudor Panescu <adrian@panescu.com>
vimrc: additions

* Go helpers.

* Tab usage option.

Signed-off-by: Adrian-Tudor Panescu <adrian@panescu.com>
vimrc: YankRing tweaks

Signed-off-by: Adrian-Tudor Panescu <adrian@panescu.com>