ANG-3617 _marquee_checkRtl meets error when this.content is string array
Merge pull request #1202 from enyojs/ANG-3617-unwiredben-RC

ANG-3617 _marquee_checkRtl meets error when this.content is string array

Reviewed-By: Ben Combee (ben.combee@lge.com)
Update version string to 2.3.0-rc.14