0.6

• Add editing of user name, email, phone number and password
• Sort and filter the watchers list, client-side
• Similar style error messages on account details screen to the rest of the app (updating notification preferences and deleting user)
• Design updates: Material Design layout grid for icons and additional icons for watcher details
• Changed settings up arrow behaviour
• Centralised error message response to string for easier maintenance and uniformity
• Fix crash that would occur if validation had not yet finished and fragment was removed