Updates

Update - added the user photo activity to gather 5 photos from the user
to track physical progress and then encode the photos for transmission.
Also stores the photo's locally on the device in a folder called
Health_LifeStyle.

Update - cleaned up all the sharedpreference declarations into one class
for simpler coding. Instead of 17 calls to shared preferences within one
activity there is now only one.

update - other minor visual updates