Created da_DK.lang

Created a danish language file
Merge pull request #399 from soerenkk/master

Created da_DK.lang
Fix #404: Upgrading to latest CoFHLib and latest RF API
Fix #400: Change Mekanism combiner recipe to require 8 dust
Fix #356: Add config options to separately control reactor/turbine power multipliers
Version to 0.4.1A, changelog updated
Merge branch 'master' into dev-0.5