Move universal-ctags after emacs

* Since `emacs` comes w/ its own `ctags`

mac

@@ -57,7 +57,6 @@ tap "thoughtbot/formulae"
 tap "homebrew/services"
 
 # Unix
-brew "universal-ctags" # index files for vim tab completion of methods, classes, variables
 brew "git"
 # system dependencies for Ruby builds
 brew "openssl"
@@ -170,6 +169,9 @@ tap 'dskecse/tap'
 # cask 'mozart2'
 brew '[email protected]'
 
+# FYI: Emacs comes w/ its own ctags, so this should be installed and linked after emacs.
+brew "universal-ctags" # index files for vim tab completion of methods, classes, variables
+
 # TODO: set up python development environment
 brew 'libsass'
 cask 'google-cloud-sdk'