Initiate stats bar only in loaded state.
Fix submenus after language switch.
Use GetLoadState() method instead of checking m_eMediaLoadState directly.

Make m_eMediaLoadState private.
Updated LAV Filters to 0.60.1-45-1486b2a (custom build based on 0.60.1-40-3116d6c)

Important change:
 - LAV Video: Some frames were dropped when playing RealVideo files (fixes #4035).
Update translations from Transifex:

 - Basque
 - Catalan
 - Chinese (simplified)
 - French
 - German
 - Greek
 - Hungarian
 - Japanese
 - Polish
 - Russian
 - Slovak
 - Turkish