Profile: allow user to use an avatar when creating first account
Issue generated from Tuleap's migration script. Originally submitted by: Andreas Traczyk (andreas.traczyk)
- Adds camera capture UI to wizard.
- Stores avatar image to disk and logs a reference in the user's preferences.
- Loads avatar from disk when loading preferences at application start.
- Removes avatar icons from account list.
- Removes camera capture UI from add accounts widget