ENYO-2336, ENYO-2451, ENYO-2452: Rework dropping decision, fixed Repeater handling, enhanced error handling in Designer.

* Merge branch 'master' of github.com:enyojs/ares-project into ENYO-2335
* ENYO-2452: Allow dropping a new component on the selected item in the component view
  * Added createMode property in componentView
  * Unselect lye selection in itemDragover() when in create mode
* ENYO-2452: Fixed uncaught exception when dropping a first component into a kind with no sub-components.
* ENYO-2451: Preserve __aresOptions when serializing with aresId
* ENYO-2451: Force a reload of the iframe when entering the designer after an error "Unable to render kind …" occurred
* ENYO-2451: Report "No constructor found" occurring errors when a kind is rendered in the designer
* ENYO-2451: Report detailed error (msg and stack trace) when a kind cannot be rendered in the designer
* Merge branch 'master' of github.com:enyojs/ares-project into ENYO-2335
* Merge branch 'master' of github.com:enyojs/ares-project into ENYO-2335
* ENYO-2336: Fixed getFilterLvel issue on "enyo.xxx" components when the enyo prefix is omitted.
 * In inspector, the default tab is "FREQUENT"

Tested on Chrome/OSX

Enyo-DCO-1.0-Signed-off-by: Yves Del Medico <yves.del-medico@hp.com>