improved api html outpu (ref: #447)
Merge branch 'devel-446'
add required validation to property type of entity Agent;
change shortDescription max length to 400 chars (ref: #411)
fix event creation
add message in editmode of entities when shortDescription is bigger than 400 chars (ref: #411)
fix build
change shortDescription length alert message (ref: #411)
fix agent owner of a child agent (ref: #450)
Merge branch 'master' into issue-222-sass