Revise module loader locating of acorn module again
Revise module loader locating of acorn module again

To work in Web workers

Closes #239

btmills/acorn,marijnh/acorn,happibum/acorn,TimothyGu/acorn,btmills/acorn,xiemaisi/acorn,gratex/acorn,mysticatea/acorn,mysticatea/acorn,Rich-Harris/acorn,gratex/acorn,gratex/acorn,mathiasbynens/acorn,xiemaisi/acorn,happibum/acorn,MarcelGerber/acorn,TimothyGu/acorn,ternjs/acorn,xiemaisi/acorn,mathiasbynens/acorn,ajaxorg/acorn,Rich-Harris/acorn,ternjs/acorn,ternjs/acorn,MarcelGerber/acorn,marijnh/acorn,happibum/acorn,marijnh/acorn,ajaxorg/acorn,btmills/acorn,Rich-Harris/acorn,TimothyGu/acorn,mysticatea/acorn,MarcelGerber/acorn,mathiasbynens/acorn,ajaxorg/acorn