Lazy load insert specific plugins

This applies to vim-gitgutter and vim-bad-whitespace too, as I'm likely to be
uninterested in their output when I'm just looking at a file.
Add external command dependencies for plugins
Lazy load infrequently used plugins by command
Only load ColorV in gui

It doesn't work correctly in my terminals.
Fallback to neocomplcache with non-lua capable vim builds
Add build rules for vimproc plugin
Only load vim-cute-python with conceal capable vim builds
Use NeoBundle depends tag to handle plugin dependencies

That feels a lot nicer, wouldn't have made me want to drop the old snippets
plugin had I known this feature existed then too.
Lazy load infrequently used plugins by mapping
Lazy load infrequently used plugins by function
Use the_silver_searcher for grepprg, if available
[Tr] Remove unused ditz settings
Write file with <Leader>w
Make Y work like D
Set default conceal character for fancy terminals
[Tr] Remove unused sup settings
Ignore git and mercurial in nerdtree
Define simple fallbacks for syntastic signs
Set mininum vim version for neocomplete
Add vim_faq repository