TV Rename v2.5 RC5

Further bug fixes from GitHub over the prior RCs.

• Please give any feedback on the new features - especially show and episode pages

Bug Fixes

• #473 Fix for star ratings in other cultures
• #480 Fix to allow Missing Episodes to be located/searched for
• #475, #474 Improvements to locking and 'Force Download All'
• Fix for downloading episodes that are already being downloaded

Technical

• Code Improvements and reorganisation to improve quality of code