Merge branch 'refactor-syntax_unicode_button' into refactor-syntax_unicode_setbuffer2
Remove MCParameter::setbuffer method

All calls to this method have been replaced with more modern equivalents.
Merge branch 'refactor-syntax_unicode' into refactor-syntax_unicode_setbuffer2

Conflicts:
	engine/src/font.cpp
Merge branch 'refactor-syntax_unicode_button' into refactor-syntax_unicode_setbuffer2
Merge branch 'refactor-syntax_unicode_setbuffer2' into refactor-syntax_unicode