Fix download of RPM

* Get user login cookie and download RPM from new location
* Licensee and license key are optional in developer version
* License type is gone
Fix forest creation: Remove updates-allowed parameter

The updates-allowed parameter seems to have been removed from the forest
API. This commit removes the parameter and its associate config key, but
leaves the UpdatesAllowed enum in place in case we ever need to use the
alternative XQuery API.

See http://docs.marklogic.com/admin:forest-set-updates-allowed
Depend on Brooklyn 0.6.0 final.
Merge pull request #57 from cloudsoft/fix/7.0

Fixes for v7.0-1