Merge pull request #8 from ClaesNilsson/master

Inherit from Service: Contacts and start page text
added new attributes to webinos core api

jira issue: API-25
Merge pull request #9 from krishnabangalore/API-25_webinoscoreapi

added new attributes to webinos core api
Aligned API with latest implementation fixes.

Jira-issue: API-26
Merge pull request #10 from fabianatwork/API-26-App2App-Implementation-Align

Aligned API with latest implementation fixes.
Updated DeviceInteraction and DeviceStatus APIs to inherit from
the Discovery API Service interface. See http://jira.webinos.org/browse/API-24