gnome-terminator: update 0.96 -> 0.97
gnome-terminal: clean up a bit and add/update meta attributes

* No need to set 'phases', the default works.
* Use shell globbing instead of running 'ls' in a subshell.
* Quote shell variables.
* The project has got a new homepage; the old one points users to the
  new one (or the launchpad page)
* Make it available in the channel (meta.platforms = linux)