Add Dash vim plugin.
Add "investigate" vim plugin.
Add investigate configs, remove Dash configs, better jshintrc support.
Show line numbers in vim.
Add tern, and continuing the search for better jshint support.

Add jshint vim plugin (provides relative jshintrc support), update syntastic.
Comment out syntastic relative jshintrc hack, disable js syntastic checker.
Add "push heroku to heroku" git alias.
Fix ZSH postgres integration.
Improve history navigation in ZSH.