Summary:
Adds the feature to use percentage as a value unit.
You can use the function ```YGPx(float)``` and ```YGPercent(float)``` for convenience.
I did some benchmarks:
```
Without Percentage Feature - Release x86:
Stack with flex: median: 0.000000 ms, stddev: 0.146683 ms
Align stretch in undefined axis: median: 0.000000 ms, stddev: 0.136525 ms
Nested flex: median: 0.000000 ms, stddev: 0.490101 ms
Huge nested layout: median: 23.000000 ms, stddev: 0.928291 ms
Stack with flex: median: 0.000000 ms, stddev: 0.170587 ms
Align stretch in undefined axis: median: 0.000000 ms, stddev: 0.143384 ms
Nested flex: median: 0.000000 ms, stddev: 0.477791 ms
Huge nested layout: median: 22.000000 ms, stddev: 2.129779 ms
With Percentage Feature - Release x86:
Stack with flex: median: 0.000000 ms, stddev: 0.132951 ms
Align stretch in undefined axis: median: 0.000000 ms, stddev: 0.136525 ms
Nested flex: median: 0.000000 ms, stddev: 0.489570 ms
Huge nested layout: median: 21.000000 ms, stddev: 1.390476 ms
Closes https://github.com/facebook/yoga/pull/258
Reviewed By: dshahidehpour
Differential Revision: D4361945
Pulled By: emilsjolander
fbshipit-source-id: a8f5bc63ad352eb9410d792729e56664468cd76a
Summary: Preserve floating point values when passing them across the JNI bridge.
Differential Revision: D4366605
fbshipit-source-id: 0b94ee87a03a6ed918360dd9998930e780fc865d
Summary: I kept wrongly typing this function which is a good sign that the name is inconsistent.
Reviewed By: gkassabli
Differential Revision: D4333480
fbshipit-source-id: 17058f18fa9e26b3e02f7a1651f7295cae59acad
Summary: Update package name of java code to refer to yoga instead of csslayout. Still need to change the name of the folder where this code resides but that requires update github sync scripts etc so it is safer and easier to split these diffs apart.
Differential Revision: D4271420
fbshipit-source-id: b3cf150569a2331868410339cd19e5c694f2059e
Summary: Rename java api to new use yoga naming
Reviewed By: IanChilds
Differential Revision: D4265345
fbshipit-source-id: 69ecfd8fac214f86b8b70647b9b909acd83d78b5
Summary: This renames the core C api to use the new Yoga branding.
Differential Revision: D4259190
fbshipit-source-id: 26c8b356ca464d4304f5f9dc4192bff10cea2dc9
