Fixes #4798: Switch to CFEngine 3.6.0b1 for Rudder 2.11
Refs #4799 - Remove all occurences to tokyocabinet and add dependency for PAM which is a new prerequisite
Merge pull request #322 from nperron/ust_4798/int/4799_upgrade_to_cfengine_3_6_npe

Fixes #4799 - Integrate latest CFE 3.6