bumped version number
Avoid aggressively creating sessions.
Merge branch 'develop' of https://github.com/jfaissolle/grails-cookie-session-v2 into feature/delaysessioncreation
implemented UsernamePasswordAuthenticationTokenSerializer, GrantedAuthorityImplSerializer and remove specialized unmodifiable set/list serializers used to serialize lists of GrantedAuthorityImpl
fixed logging bug
Merge branch 'feature/delaysessioncreation' into develop