dirs structure

--HG--
rename : samples/assets/goblins.atlas => samples/openfl/assets/goblins.atlas
rename : samples/assets/goblins.json => samples/openfl/assets/goblins.json
rename : samples/assets/goblins.png => samples/openfl/assets/goblins.png
rename : samples/assets/goblins.skel => samples/openfl/assets/goblins.skel
rename : samples/assets/nme.svg => samples/openfl/assets/nme.svg
rename : samples/assets/spineboy.atlas => samples/openfl/assets/spineboy.atlas
rename : samples/assets/spineboy.json => samples/openfl/assets/spineboy.json
rename : samples/assets/spineboy.png => samples/openfl/assets/spineboy.png
rename : samples/assets/spineboy.skel => samples/openfl/assets/spineboy.skel
rename : samples/project.xml => samples/openfl/project.xml
rename : samples/projectMixTest.xml => samples/openfl/projectMixTest.xml
rename : samples/projectSkeletonTest.xml => samples/openfl/projectSkeletonTest.xml
rename : samples/src/spinehx/AnimationStateTest.hx => samples/openfl/src/spinehx/AnimationStateTest.hx
rename : samples/src/spinehx/MixTest.hx => samples/openfl/src/spinehx/MixTest.hx
rename : samples/src/spinehx/SkeletonTest.hx => samples/openfl/src/spinehx/SkeletonTest.hx
Allow setting a default mix time to avoid having to set tons of transition times.
Adding DrawOrderTimeline class for changes to draw order during animation.
Read in and update altered draw orders.
Using fields() didn't work correctly outside of flash - casting to an array seems to work everywhere.
Readme: update HaxeFlixel links
Update README.md
Update README.md
Updated for the latest version of Flambe.