add inotifytest-* scripts for event-driven testing

These event-driven test runners help with the University of Washington's
Programming Languages class: https://class.coursera.org/proglang-002

See https://gist.github.com/sunaku/7178353 where these were published.
add scripts for docking and freeing NVIDIA SHIELD
Xdefaults: fix Alt-key combos under Debian xterms
Xdefaults: use powerline enhanced fonts in XTerm
make SSH's X11 forwarding work after tmux reattach
.profile: configure environment before starting X
.profile: reattach tmux after logging in via SSH
way to update $DISPLAY after ssh -X & tmux attach
.profile: detect number of CPUs for parallel make(1)
git alias: `gM` forces merge commit; `gm` is auto
drop flaky ~/.cvsignore handling from `scp` alias
update ZSH bundle submodules: they've stabilized
add tmux-osc52(1) script to copy text using OSC 52
tmux: replace X11 clipboarding with OSC 52 escape
tmux: revise status bar for crosh (hterm) terminal
tmux-osc52: truncate input before base64, not after
rename tmux-osc52(1) to yank(1) & support non-tmux
profile: start in tmux if none is already started
use Ruby Version Manager (RVM) for local rubygems
add wrapper script to make vpnc work under crouton