vimrc: keymaps for '.' and '@' over visual range
vimrc: Make folds blue on grey (same as line numbers)
vimrc: Added comment about 256 colors
vimrc: installed 'christoomey/vim-tmux-navigator' for pane navigation
vimrc: remap xterm keybindings to allow use of shift-arrows
vimrc: Use shift arrows to navifates tabs so C-i is free for jumps
vimrc: Added Preserve()
vimrc: Moved fugitive configuration to ftplugin/fugitive.vim
fugitive.vim: disable saving of views