Show error for mismatched passwords on sign up
Show error for blank first and last names on signup
Show error on invalid phone numbers during signup
Show error for invalid login credentials
Show photo metadata immediately if cached
Update signup/signin apis
Update remaining existing APIs
Merge branch 'v0.3-api_update' into dev
Display streams in order as returned from API
Merge branch 'v0.3-metadata_cache' into dev
Show error if user already signed up
Merge branch 'v0.3-error_popups' into dev
Fix typo
Merge branch 'v0.3-api_update' into dev
Merge branch 'v0.3-stream_ordering' into dev
Display system photo edit dialog when uploading photo
Merge branch 'v0.3-upload_confirm' into dev