Bundle Less and TheRubyRacer gems explicitly

Since KS in current "develop" doesn't anymore.
Reset tenant via 'rails runner'

Since KS in the current "develop" doesn't provide the Rake task
'cms:reset' anymore.
Publish migrations on setup

The KS in the current "develop" does not habe the `NullHomepage` anymore
(since it was buggy etc.). Thus one is always redirected to the
published Homepage.
Version 0.1.3