Merge from job branch
add rake plugins to zsh
make a change for rvm
fix bug for space
fix rvm error
update for tmux and default active virtualenv
use tmux1.9 style
make a change for git, and use tmux1.8
remove the aliases about kill
fix typo
add cabal pip plugins to zsh
add command_not_found
add lineNumber for git grep
update toprc and zsh plugins
use m as unit on top
comment the aliaes about ipython
update
update gitconfig
Merge branch 'master' into job

Conflicts:
	Makefile.install-system
	variable.sh
	zshrc
update gitconfig