vcs_git: gc and gcm

Author: MingcongBai

bashrc.d/.vcs_git

@@ -6,7 +6,8 @@ alias g="git status"
 alias ga="git add"
 alias gaa="git add ."
 alias gau="git add -u"
-alias gc="git commit -m"
+alias gc="git commit"
+alias gcm="git commit -m"
 alias gca="git commit -am"
 alias gb="git branch"
 alias gbd="git branch -d"