Set+a+Profile+Picture

== =__Set a Profile Picture:__=
 * Synopsis**: Faceplace User selects their profile picture (the picture that is used on their profile) from a group of previously uploaded pictures.
 * Actor/User**: Faceplace User
 * Preconditions:** User is logged in and viewing their home page.
 * Sunny Day Case:**
 * 1)  The user views their photo album. (See Rainy Day #1)
 * 2) The User can then select one picture by clicking on a clearly visible button to make this photo their profile picture and then clicking a submit button. (See Rainy Day #2)
 * 3) The browser takes the user to their home page and a message informs the User that thier profile picture has been updated.
 * 4) Wherever the old profile picture was displayed before it now displays the newly selected picture.
 * Rainy Day Case #1:**
 * 1) If the User has not previously uploaded any pictures, the profile picture selectiong page does not load and an error message should inform them that they have no pictures from which to choose a profile picture, and a provide a link indicating that they can upload pictures by clicking it. 
 * Rainy Day Case #2:**
 * 1) When the User loads this page their current profile picture is the default selection. At all times there is one picture selected (meaning the User cannot deselect all images, leaving no image selected) so they can hit the submit button without causing an error.