[Delivers #85172678] Spiral layout example.
Remove CSS warnings in debug mode, fix undefined classes

[Delivers #85169454]
Fix circular constraints in text

Only update text sizes when they have changed. Move workaround for
measuring text with hidden parents to the sprite.
[Delivers #84528284]
Revert "Fix circular constraints in text"

This reverts commit 0bcf2efd8399738fa11c6f6af798e50af8d73cf2.
Fix circular constraints

Makes event locking more robust by keeping a list of events fired in
the same scope as side effects of the current trigger() call
[Delivers #84528284]
animators should handle destroyed targets gracefully

[Delivers #84900748]
Unapplied states should reset all values

Also makes smoke/states.html do something real! Fixed behavior in
examples/data.html
[Delivers #83912100]
Optimize text size measurement updates
[Delivers #85172882] The ignorelayout attribute now support layout targeting.
Merge pull request #116 from teem2/ignorelayout

[Delivers #85172882] The ignorelayout attribute now support layout targe...
[Fixes #82009916] added boxshadow attribute to view
Merge pull request #115 from teem2/dropshadow_82009916

[Fixes #82009916] added boxshadow attribute to view
[Delivers #85194786]
Add node.createChild() API

Did some docs cleanup as well.
[Delivers #83814178]
Move replicator, examples and tests to node.createChild()

[Delivers #83814178]
WIP