tests: ErrorReportService uses zock now. clay-loglevel and zock now fetched from npm
merge master
google-play-ads: added google play ads in form of modal, link above games, link in drawer, environment detection

- also updated the modal component to be split into header and body (implied) components
Merge branch 'master' of github.com:claydotio/clay-mobile
merge master
cleanup: removed some unnecessary z- prefixes, added empty option for gplay experiments (since we won't show to everyone)
Merge pull request #131 from claydotio/kik-to-play

Kik to play