Updated oh-my-zsh and powerline theme

README.md

oh-my-zsh/.gitignore

oh-my-zsh/LICENSE.txt

oh-my-zsh/README.md

oh-my-zsh/lib/clipboard.zsh

oh-my-zsh/lib/compfix.zsh

oh-my-zsh/lib/completion.zsh

oh-my-zsh/lib/diagnostics.zsh

oh-my-zsh/lib/directories.zsh

oh-my-zsh/lib/functions.zsh

oh-my-zsh/lib/git.zsh

oh-my-zsh/lib/grep.zsh

oh-my-zsh/lib/key-bindings.zsh

oh-my-zsh/lib/misc.zsh

oh-my-zsh/lib/nvm.zsh

oh-my-zsh/lib/spectrum.zsh

oh-my-zsh/lib/termsupport.zsh

oh-my-zsh/lib/theme-and-appearance.zsh

oh-my-zsh/log/.easter-egg

oh-my-zsh/oh-my-zsh.sh