Create a new tmux session if none exists
Fix typo

Signed-off-by: Sorin Ionescu <sorin.ionescu@gmail.com>
[Fix #724] Unquote variable

Signed-off-by: Sorin Ionescu <sorin.ionescu@gmail.com>
Adjust repo path
- Enable zsh functions 'zargs' 'zmv'
- Activate some handy modules by default
Add brackets and patterns highlighters
Add simple Java module
Prepend $HOME/bin and $HOME/sbin to path by default
Default to java 1.8 instead of java 1.7
Enable tmux
Add curl completion support
Add grunt completion support
More compact path expansion

Just select first level directories under external and external-misc
as fpath candidates.

See: http://zsh.sourceforge.net/Guide/zshguide05.html#l141 for more
Adjust rsync aliases to make it interoperate better with non-osx remote servers
Add jenv support in java module
Sync grunt submodule