use matching backend
Merge branch 'refs/heads/master' into backend-url

Conflicts:
	Gruntfile.js
use proper backend
properly setup api url
decrypt config file before needed
execute tasks in proper order
refactoring for symmetry
decrypt before configuring
fix stupid typo
only encrypt/decrypt if source is newer than target
fixed typo
also decrypt if config.json does not exist (default on travis)
Merge pull request #309 from 28msec/backend-url

use matching backend