Updated descriptor file for 1.15.0

• Required states are now highlighted when hovering over decisions (excludes continent formables)
  
• Cores fixed for multiple formables
  
• Code fixes

• Added the Umayyad Caliphate
  
• Added the Hephthalite Empire
  
• Added the First Turkic Khaganate

• Added the Almohad Caliphate (Morocco, Algeria)
  
• East Turkestan and Guangxi Clique can form Qing Empire
  
• Trucial states can form Arabia
  
• Lebanan can form Assyria
  
• German Revolutionary Government can form Grobdeutschland and Frankish Empire
  
• code fixes

• Added the Khazer Khaganate (Almighty Don Host, Kuban People's Republic, Mountainous Republic, Kalmykia)
  
• Added the Kingdom of Aksum (Ethiopian Empire, Eritrea, Yemen)
  
• Malta and Algeria can form Carthage
  
• Panama and Ecuador can form Gran Columbia
  
• Yucatan can form the Mexican Empire and Central America
  
• code fixes

• Updated and re-enabled the Greater Russian Empire formable
  
• Updated and re-enabled the United Guyana formable
  
• Removed Mongolian Empire
  
• Removed Mali Empire
  
• Visegrad formable now correctly changes country name

• decisions now change country name (country names are not based on ideology)
  
• code cleanup
  
• updated some decision tooltips to better reflect formable names