Updating zsh configuration

Updating zsh configuration, adding a zsh file to the custom dir,
creating new aliases for dev folders and CD to /opt/dev when a
user start the terminal/ssh

Moving zsh ansible configuration from dev-tool to dev-shell, it
seems to be better placed there

Adding sudo=yes to zsh installation when using apt-get and setting
of the shell for the user
Merge pull request #6 from maxwe789/zsh-custom

Updating zsh configuration