v0.3.50 merge to released

[Loreinator]

v0.3.50 – 2016-04-16

• Fixed Mega Charizard X's type
• Fixed bugs with Mega Progress in Survival Mode
• Default boards added for stages 251-350 and many Special/Expert stages. Thanks to /u/Manitary!
• Updates for 3DS 1.3.6
• Updates for Mobile 1.5.10
• Also added escalation health for Latios and Keldeo (Resolute). Thanks to /u/Manitary
• Readme is now a *.md format. Thanks to /u/Manitary
• Updated Build Process
• Update Checker is now invoked in a separate thread and will no longer block GUI responsiveness
• Stage data for main mobile stages have been corrected
• Effect activation rates and effects have been updated for 3DS