Moved gitconfig/aliases to gitconfig

- Also merged in some settings from the pairhost ~/.gitconfig
Add new-pair-host script

- Creates symlinks from /home/pair to /home/pair/opensource/etc/xxx
Move default from nrepl to cider

- Mode hooks activate cider and auto complete for clojure-mode
Upate new-pair-host script

- Force the symlinks if they already exist
- Copy ~/.emacs.d if present to ~/emacs.d-xxx
Merge pull request #2 from relevance/add-move-in-script

Add move in script