fixed start and finish actions
modals changes
event state transition from FINISH to DEFEATED or WON

packages/events/public/services/actions.js
1. Added actions 'defeat' and 'win'
2. Changed second argument for function 'checkAndUpdateEvent'. Now, it accepts object with properties to set in updated event.

packages/events/public/controllers/events.js
1. Added methods 'defeatEvent' and 'winEvent' to ask user about status change.
2. Rewritten method 'finishEvent'. Now. it show to the user custom modal dialog for choosing event defeat or win.

packages/events/public/views/modal/finish.html
1. Added template of custom modal dialog for transition event from state FINISHED

packages/events/public/views/view.html
1. Added buttons to transit event in states DEFEATED and WON

packages/events/test/karma/unit/services/EventActions.spec.js
1. Added client karma tests for EventActions service