zshrc: change editor yet again; gitconfig: add diff --stat alias (dfs)

zshrc

@@ -35,7 +35,7 @@ export LC_ALL=$LANG
 export JAVA_HOME=`/usr/libexec/java_home -v 9`
 export GH_HOME=~/Documents/Code/Github
 export CARP_DIR=$GH_HOME/carp/Carp/
-export EDITOR=/usr/bin/vim
+export EDITOR=/usr/local/bin/vim
 alias dob="git branch --merged | grep -vE '(\*)|(master)|(dev)' | xargs -n 1 git branch -d"
 alias vi="stty stop '' -ixoff ; stty erase '^?'; vim"
 alias mk="make"