ANG-2680: Allow for multiple, consecutive spaces in MarqueeItem.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
ANG-2680: Added white-space setting to .moon-marquee-text as well (was not inherited).  Update Header, Button, and Item sample to demonstrate use of extra spaces.  Fix bad-practice component naming in ButtonSample while we're at it.
DCO-1.1-Signed-Off-By: Kevin Schaaf <kevin.schaaf@lge.com>
Merge pull request #1179 from enyojs/ANG-2680-aarontam-2-RC

ANG-2680: Allow for multiple, consecutive spaces in MarqueeItem - RC
BHV-1187: Check first character of MarqueeItem to determine RTL mode.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
BHV-1187: Add various RTL & LTR languages to Marquee sample.
DCO-1.1-Signed-Off-By: Kevin Schaaf <kevin.schaaf@lge.com>
Merge pull request #1181 from enyojs/BHV-1187-aarontam-RC

BHV-1187: Check first character of MarqueeItem to determine RTL mode. - RC
BHV-1433: Prevent Marquee from overlapping higher zIndex controls.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
BHV-1433: Add tooltip over marquee to AlwaysViewingPanelsSample.
DCO-1.1-Signed-Off-By: Kevin Schaaf <kevin.schaaf@lge.com>
BHV-1433: Apply the translateZ(0) to the div that's animating, not the container.  Fixes the layering issue without needing to use negative z-position.
DCO-1.1-Signed-Off-By: Kevin Schaaf <kevin.schaaf@lge.com>
Merge pull request #1183 from enyojs/BHV-1433-aarontam-RC

BHV-1433: Prevent Marquee from overlapping higher zIndex controls. - RC
BHV-1187: Guard against null and undefined values.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1189 from enyojs/fix-BHV-1187-aarontam-RC

BHV-1187: Guard against null and undefined values. - RC
ANG-2398: Fix DataList to support rtl in horizontal case
Merge pull request #1190 from enyojs/ANG-2398-SungbaeCho-RC

ANG-2398: Fix DataList to support rtl in horizontal case - RC
Update version string to 2.3.0-rc.12