fix can't find pane bug
Merge pull request #379 from kris-luminar/bugfix_cant_find_pane

fix can't find pane bug
tmux: update config

* remove reattach-to-user-namespace
* remove unused key-bindings
* added several key-bindings
* added key-bindings for each window
* replaced user with host on status-left
* polished theme
tmux: set xterm-keys
zsh: clean-up aliases
tmux: control nested sessions
vim: replace neocomplcache with YouCompleteMe
vim: remove most ruby specific plugins