EMI: Load i9n.m4b before patch.m4b for better efficency when loaded from update
GRIM/EMI: Add a function to get the correct update filename
EMI: Add the md5 of MonkeyUpdate.exe instead of patch.m4b
GRIM/EMI: Unify the update loader code and force it on EMI
EMI: Split GrimEngine::getUpdateFilename into EmiEngine
Merge pull request #752 from YakBizzarro/emi-check-md5-update

EMI: Add the md5 of MonkeyUpdate.exe and check it, if present