Update - 0.87 Evil Snowman

Big update before the holidays. A lot of content and a lot of fixes. Happy Holidays to all!

• New : a new set of rooftops added to the game
  
• New : new supports for rooms
  
• New : new balcony
  
• New : new "Mystical birds" animal artefact
  
• New : new "Fir ent" artefact
  
• New : snow on rooftops for mountain map
  
• New : "Ghoul" future
  
• New : "Gardener" future
  
• New : "Psionic" future
  
• New : "Master of the dead" future
  
• New : "Time Warrior" future
  
• New : "Time Monk" future
  
• New : "Chimera creator" future
  
• New : "Clockmaker" future
  
• New : "Imp" future
  
• New : "Grave digger" future
  
• New : winter solstice event
  
• New : option to show student sheet when student leave school
  
• New : tooltip for books and curses in the director office
  

• Balance : "Craftman" future bonus go from 1% to 0.5%
  
• Balance : "Planeswalker" future bonus go from 3% to 2%
  
• Balance : "Demon" future bonus go from 3.5% to 5%
  
• Balance : "Angel" future bonus go from 3% to 2.5%
  
• Balance : "Ivy" has a new effect (impact nearby rooms efficiency)
  
• Balance : students are slightly more disciplined
  

• Fix : remove lag when students run away at level end
  
• Fix : animals move more within the school than outside
  
• Fix : belvedere artefact slot nicer orientation
  
• Fix : mana rewarding future now show the correct amount of mana
  
• Fix : nicer windows for big rooftop
  
• Fix : smarter rooftop placement
  
• Fix : events for fire or vortex now work correctly
  
• Fix : Volcano map special rules now working correctly
  
• Fix : Swamps map special rules now working correctly
  
• Fix : Mountains map special rules now working correctly
  
• Fix : Snake now working as expected
  
• Fix : Mystical Eye now working as expected
  
• Fix : Feral spirit now working as expected
  
• Fix : remove a crash caused by dojo particles
  
• Fix : remove a crash caused by director office particles
  
• Fix : remove a crash caused by creatures animations
  
• Fix : remove a crash caused by floating text for banner
  
• Fix : OR condition on events now working as expected (fix "autodafe" event)
  
• Fix : Coastal level special effect now working as expected
  
• Fix : remove crash on some multi-CPU config
  
• Fix : Coffe Machine now only work on teachers (as expected)
  
• Fix : Feral Spirit now only work on teachers (as expected)
  
• Fix : descriptions for all room cards are formated the same way