new way for collecting chart assets
Merge branch 'develop' into new_way_for_collcetion_chart_assets

Conflicts:
	lib/utils/chart_publish.php
Merge pull request #49 from vied12/new_way_for_collecting_chart_assets

new way for collecting chart assets
initial commit
javascript stuff only used by the backend
javascript stuff only used by charts
admin js
making development version, too
dev build of old datawrapper.backend
including new JS core
renamed new dw.backend
made new JS compatible to old namespace
don't initialize old utils anymore
don't initialize old utils anymore
renamed datawrapper-backend to dw-backend
renamed to dw-backend-2.0.js
this class is not used anymore!
old dataset class is not used anymore
including new js core in charts, too
documented column API