Revert "Add Vim Gitgutter"

This reverts commit ed4ad15ccbb9fee89b59e8ab40de56221eb2a361.

It causes the GUI to lag

Conflicts:
	Vundlefile
Replace Ack with Ag (silver searcher) for searching project-wide
Include vim-bundler submodule
Toggle "copy on select" via <Leader>a
Set wildignore