added karthik theme
Squashed 'public/.oh-my-zsh/' changes from ec37c05..500cbbc

500cbbc Merge pull request #2541 from puffnfresh/cabal-sandboxes-info
861290e Merge pull request #2542 from puffnfresh/gitignore-plugin-url
1df7d01 Fix URL to gi (gitignore) function
358b6ff Add cabal_sandbox_info function
4ce7f0a Merge pull request #2515 from nupfel/plugins/iwhois
2ed9903 Merge pull request #2516 from lukesteensen/patch-1
0d212bb Add 'services' command to homebrew completion
0cb2ecf provides iwhois command to use CNAMES under whois.geek.nz to find most accurate whois server

git-subtree-dir: public/.oh-my-zsh
git-subtree-split: 500cbbc79bf407f6a7933d9a8376c1bef2fb7ea9
Merge commit 'a6c868e3e9bf6423a427df1d399384f680ec8148'
update git prompt