Update git.plugin.zsh
escape dashes
Merge pull request #2396 from soluwalana/master

Fix WIP false positive
Refactors theme loading.

In response to #2113.
Adds more comments.
Echos only basename in random theme notification.
Theme bypass info in zshrc.zsh-template.
Massive refactor of initialization script.
Do not leak local variables.
Refactors random theme selection.
Refactors short host retrieval.
Hides another variable.
Refactors a comment.
Refactors git.zsh.
Refactors git prompt status.
Refactors git_prompt_status
Refactors git_prompt_info.
Unifies function declarations.
Refactor and documentation.
Doc update.