[Fix #311] zsh/presto gets "modified" after clean install
adding brew update
follow presentation style
Merge pull request #359 from victormours/adding-brew-update

Adding brew update to Rakefile
Merge pull request #357 from nandalopes/fix-311-dirty-worktree

[Fix #311] zsh/presto gets "modified" after clean install
Add :ChangeHashSyntax for ruby 1.8->1.9 hashes
Remove lusty juggler / not using
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