Designed sign up view and many bug fixes and minor UI updates

* Only use photo EXIF when importing a photo
* Toolbar upload text is now tappable
* GroupPhotos should not show old photos
* Alert when attempting to upload while offline
* Avoid updating observation properties with each location fetch
* Added actvitivy indicator to show that location is being fetched
* Focus on text input when editing description
* Made labels of radio bottom sheets tappable
