[Fix #437] Always set $TMPDIR
Do not substitute /tmp since $TMPDIR is always set
Add the RubyGems bin directory to PATH on other Unix systems

Signed-off-by: Sorin Ionescu <sorin.ionescu@gmail.com>
[Fix #436] Remove Bombich rsync references
first
add wezm+.zshtheme
properly configured?
no tmux autoload
move gpg-agent to end of plugins
unalias rm -i and p
deleting unnecessary extras
chuck out unnecessary stuff, add gpg-agent exports
change prompt, add git, remove gpg-agent plugins
update zshrc
reintroduce alias sourcing
update zshrc
removed and updated aliases file, updated zshrc
activating loads of plugins
move named dirs from zshenv to zshrc
add and activate jakob prompt