Adds support for $(current_branch) on git_parse_ahead()
Adds support for $(current_branch) on git_parse_ahead()

Changes method git_parse_ahead() on git.zsh lib file. Before this
change it checked directly against origin/master branch. Now it
uses $(current_branch) to check for not pushed changes against
the current remote branch.

ammula88/oh-my-zsh,ammula88/oh-my-zsh,ammula88/oh-my-zsh,ammula88/oh-my-zsh