added computed create property to ticket_component_controller. Also added showCreate-action and updated showDialog to send actions for create and edit instead of saving the ticket model directly. #85
Added createTicket-action to board_menu_controller to send an action when the specific button is clicked  #85
Updated ticket-comp.hbs to bind its input-fields to the ticket components #85
Added actions to board-menu and ticket-comps in board.hbs to catch the thrown actions for ticket creation and saving tickets.
 Also added the actions for cration and saving purpose to the board_controller. I will explain it later in comment on the commit #85
added transforms/isodate_transform.js to the app directory and specified the ticket properties creation_date and lastmodify_date to be DS.attr('isodate')
also updated Gruntfile.js close #85