add the ability for a SW to cancel a room request

[GoogleCodeExporter]

Enhancement name:
add the ability for a SW to cancel a room request

Functionality:
1.  SW searches for the existing room request
- SW enters the patient first and last name and click the “search” button, 
where the patient’s information is displayed along with the date and room 
booked.
2. SW chooses “Delete” on the room request.
- The SW has the option to delete the requested room, edit the date requested 
for the room or go back to the search page.
- If the SW chooses delete, the room requested will be deleted from the room 
database.
3. The SW makes necessary edits to the request.
        -The edit button allows the SW to choose another date available.
4. SW hits "Submit".
        - A message, “Successful”, will appear after the SW clicks the submit button. If the server/connection is down and the date is not saved, a message, “Error” will appear.
 5. A NEW reservation request with the original request id and a status of DELETE-PENDING is stored in the database.
        - The data was send to the database to be deleted or to save the new request.

6. An email is sent to all RMH approvers.
- RMH then updates their system.

Original issue reported on code.google.com by bkmackellar on 22 Sep 2012 at 5:57

[GoogleCodeExporter]

The record should never be deleted from the database. Instead, it should be 
stored with a status of DELETED

Original comment by bkmackellar on 22 Sep 2012 at 5:58

[GoogleCodeExporter]

Original comment by bkmackellar on 22 Sep 2012 at 7:34

[GoogleCodeExporter]

Cannot fix until issue 63, 64 and 65 is resolve.

Original comment by krissy88bz on 27 Sep 2012 at 7:42