Remove vim-signify, use vim-gitgutter instead
Add vim-gitgutter
Fix function already defined when $MYVIMRC is reloaded
Remove autocmd to ignore formatting of newlines
Add remove trailing whitespace for certain files

Groups are c,cpp,python,php,vim,sh

Add more later
Disable line highlight for gitgutter

Add <leader>ht map for toggling instead
Add function to change cwd to pwd of file

Ignore temperory files in /tmp and /private/tmp.
Ignore temperory files in .git directory (during GDiff)
Ignore rempote files (using netrw scp://... syntax)
Ignore 'help' files
Change GitGutterLineHighlightsToggle map to ,gt
Remove the autochdir option
Remove split mappings and add insert semicolon map