vim-misc: new bundle
Update all bundles
vimrc: load local vim-session if .vimsession file exists
gitmodules: fix https -> git
tagbar: new bundle
gvimrc: remove superfluous comments
gitroot(): improve git top-level movement and make it manual
vim-sessions: improve session management
vimrc: general cleanup
abolish: new bundle + added some tpope's abolish commands to after