Specify status of git env in prompt

Show ' when there are staged changes
Show . when there are unstaged changes
Show , when there are new files
Show : when there are both staged and unstaged changes
Show ; when there are both staged and new files
Show ‥ when there are unstaged changes and new files
Show ⁖ when there are staged, unstaged changes and new files
Option to remove protocol from remote URL

Add flag to fancy_prompt.sh to allow removing the protocol portion
of the remote repo URL.