nothing happened
array declaration and reference to an element now are working. added desugaring for FOR loop with declarations. Added auxiliary file for missing constructors. Fixed testcases for struct and unions
Merge branch 'master' of https://github.com/metaborg/metac into MetaC4Dario

Conflicts:
	BaseC/trans/generation/to-c.str
	trans/metac.str
Merge branch 'MetaC4Dario' of https://github.com/metaborg/metac