ENYO-3082: renamed internal var
ENYO-3082: removed forgotten log
ENYO-3082: Fix designer kind selection
ENYO-3082: defer call-back invocation (catch zalgo)
ENYO-3082: jsdoc-ification
ENYO-3082: jsdoc
ENYO-3082: removed unnecessary call to async
ENYO-3082: removed comments about ENYO-3181
ENYO-3082: jsdoc
ENYO-3082: camelize variable
ENYO-3082: cosmetic
ENYO-3082: pass a nop callback to updateSource
ENYO-3082: added missing calls to next() while handling errors