Add alias 'E' for sudo-editing with emacsclient

More description available at http://emacs-fu.blogspot.com/2011/12/system-administration-with-emacs.html
Remove redundant arguments and replace 'sudoedit' with 'sudo -e' to be Mac-compatible
Merge pull request #323 from mhsekhavat/alias-emacs-sudoedit

Add alias 'E' for sudo-editing with emacsclient
Don't repeat the prompt if it hasn't changed
Change name of ip function to remove masking of ip command in bash
adding functions to rename os x terminal tab and window titles
Merge pull request #334 from faroit/master

Adding functions to rename os x terminal tab and window titles
Merge pull request #332 from EHJ-52n/fix/ip-command-masked-by-theme-function

Change name of ip function to remove masking of ip command in bash
Merge pull request #331 from iterateNZ/iterate_theme

Update iterate theme
Merge pull request #318 from edubxb/old-git-support

Added support to git old versions
Fix regression checking git repo status