Changed output to UI to print calculated review time.

Change-Id: Ic70e5248b18a53186a94157101f5410c7345aea8
Added method for calculating review sessions. Minutes and sessions are rounded nicely.

Change-Id: I9e21cef96fffe0774a203602407da9d4a4404319
Merge "Changed output to UI to print calculated review time." into develop
Removed RestServlet

Change-Id: I1eb6fcb1e2b10bb376264357467226c7008ba63b
Merge "Removed RestServlet" into develop