Additions and changes:
- add new riak reference 1.0.0
- update yaml reference to 1.1.1
- update zip reference to 1.12.3
- update memcached reference to 2.2.0b1 (GH-112 by Remi Collet)
- update http reference to 2.0.3 (GH-110 by Remi Collet)

Bug fixes:
- fix notice error when matching internal function arguments and signature used in implementation
(thanks to Remi Collet to noticed me)
- fix notice error on list reference report when filter reference option is active
- GH-111: missing cli_get_process_title and cli_set_process_title (by Remi Collet)
