Merge pull request #917 from icanhazstring/feature/git-branch-move

Add alias gmv

aliases/available/git.aliases.bash

@@ -41,6 +41,7 @@ alias gci='git commit --interactive'
 alias gb='git branch'
 alias gba='git branch -a'
 alias gbt='git branch --track'
+alias gmv='git branch -m'
 alias gcount='git shortlog -sn'
 alias gcp='git cherry-pick'
 alias gco='git checkout'