update keyboard language settings

- set to uk keyboard
- hide indicator from panel
update mac osx preferences

 - set timezone to london
 - set language to en gb
adding terminator to installed apps

- add the terminator package
- add to launcher favorites

closes #4 and partially resolves #5
adding sublim text 3 to installed apps

- use homebrew alt casks on mac
- use webupd8team ppa on ubuntu
- add to launcher favourites on ubuntu

closes #5