added minimal google contacts loading capability
renamed talkilla.contacts.error event to talkilla.contacts-error
removed unnecessary jshint rule
TkWorker#updateContactList tests are more clear
added authCookieTTL option to GoogleContacts
GoogleContacts: reset fake port object for every test
added maxResults option to GoogleContacts
Merge pull request #255 from n1k0/google-contacts-minimal

Minimal Google contacts loading capability