Emscripten: Don't check for boost headers as the check is broken from fastcomp
Emscripten: Set the main loop and disable unimplemented SDL functions
Clear faces after the event execution ends
Move the face cleanup to Game_Interpreter::CommandEnd()
Fix bug when face is set in common event or other event
Merge pull request #341 from fdelapena/master

Add initial Emscripten support for Player
Correct face handling with parallel processes

The following behaviour seems to mimic RPG_RT well:
a) parallel processes never clear faces; face sett in a parallel process
execution exists after it is ended (however, it can only be visible in
other parallel process's Show Message, or in events that use Wait command),
b) non-parallel events clear faces when their execution begins and ends.
Formatting: delete stray tabs
Remove non-persistent conditions (e.g sleep) after battle ends
Make the code actually compile
Use the existing fuction instead of duplicating the code
Formatting: remove stray tab
Refernce enum values correctly
Merge pull request #343 from rohkea/sleep

Remove non-persistent conditions (e.g sleep) after battle ends
Merge pull request #342 from rohkea/faces

Clear faces after the event execution ends
Use game system graphics if available instead of using database system graphics. Fixes #345
Merge pull request #346 from fdelapena/issue-345

Use game system graphics if available instead of using database system g...