chore(clean) unused serializer
feat(geolocation) allow returning null lat lng
feat(login) Remember users login
Merge pull request #86 from rhinobird/geolocation-changes

Geolocation changes
Merge pull request #87 from rhinobird/remember-users

feat(login) Remember users login
feat(social): Use caption as text for facebook or twitter
fix(spec): Fix geo data type expectation
Merge pull request #88 from rhinobird/social-changes

Social changes
feat(vj_token): Check for existing room on licode
fix(Vj): Fix vj showing on timeline as live