Merge branch 'release/0.1.2' into develop
Updated version for next release cycle
Add a transition-observer test to stateful-fsm
Check observer called in fsm-test
Add with-fsm-feature

This function allows adding a feature to an existing fsm specification
map.
Updated project.clj, release notes and readme for 0.1.3
Merge branch 'release/0.1.3'