mobile UI using ratcher2
added models.Record
added models.Image
added controllers.Images and mock of controllers.Records
modified models.Image to handle image upload
removed record table, and implemented controllers.Image.show
added controllers.Image.list
added user column into image table
added tab bar in each views
added log table and models.Image.addLog
modified to show the number of accessed users for an image
modified to user UUID for file name