Squashed '.vim/bundle/vim-fugitive/' content from commit c99f0ff

git-subtree-dir: .vim/bundle/vim-fugitive
git-subtree-split: c99f0ff06bd1915b2f05c5750283aa9e826ad3d8
Merge commit 'b0987622a2014613425d53e09221379385c8dad3' as '.vim/bundle/vim-fugitive'
removed fugitve
Squashed 'vim/bundle/nerdtree/' content from commit b0bb781

git-subtree-dir: vim/bundle/nerdtree
git-subtree-split: b0bb781fc73ef40365e4c996a16f04368d64fc9d
Merge commit '643d3adeb0fb6df4a7b37211f70783100d1becc2' as 'vim/bundle/nerdtree'
added mappings to navigate splits & remapped leader to comma