vimrc style changes
clean some unused plugins
extract python folding into an external plugin
improve and add some mappings/functions
move custom airline theme to my autoload dir
add ftplugins for ruby and xml
miscellaneous small changes

- add vtag git alias to list tags in version order
- update vim-plug
- make agignore better
- make tmux copying better
Add django completions
add support for zsh/tmux themes and move current theme to it
add solarized theme
add hybrid theme
Merge branch 'themes'