1.1.0

- New variable added:
    - tealium_event_type
- track(type, title, data, completion) added as new primary track method, types avail:
    - activity
    - conversion
    - derived
    - interaction
    - view
- DispatchCallback update to return info dictionary instead of just encodedUrl -> ( boolean, map<String, Object>, error) that 
- Removal of convenience retry track(string, callBack)