RFCA - Under New Management Code

Unified import RFCUtils
Code cleanup in screen files

Moved storedData function to StoredData.py
Cleaned up storedData
Code improvements in Victory.py

Updated victory module with win(), lose(), expire() etc. functions
Fixed Gokturk 1st UHV

Fixed 500 AD starting techs bug
RFCEventHandler.py cleanup

Removed mercenaries code

Included storedData save and reload method of SoI
Python cleanup in victory.py
Improved coding in victory.py

Python updates

- Fixed sounds issues with the mod, now the era specific soundtracks play correctly even without a restart
- Fixed various problems with the Civilopedia, all entries and subcategories should work now
- Added new Stability Maps Civilopedia category (was already WIP), now you can check the stability map for all the 29 playable civs ingame
- Fixed wrong wondermovie link for Golden Buddha, Porcelain Tower, Pha That Luang
- Fixed some minor python coding mistakes and logical issues, a couple python exceptions
- Removed seriously outdated (duplicate) version of CvScreenInterface.py, probably caused some issues in the background
- Readded 4 missing (probably unintentionally) soundtracks for the 2nd era
- Added diplo sound for the Majapahit civ, was missing for some reason
- Fixed a couple typos, duplicate entries and wrong links in the sounds xml files
- Revised folder and name structure for all sounds in the mod, removed some unnecessary art and text files

Adjustments for the Ghaznavid game

Fixed python exception in Nanzhao Victory check