Implements PEER adaptation of Chiou & Youngs 2014
Fixed the version in the documentation
Merge pull request #266 from gem/fix-version

Fixed the version in the documentation
update version to 0.12.0 aligned with oq-engine 1.2
update changelog
Merge pull request #265 from g-weatherill/cy14_peer

Implements PEER adaptation of Chiou & Youngs 2014
Merge branch 'master' into mixture_model
Fixes base gsim