shape-outside: polygon() reftests
removed prefixes
added test for polygon + evenodd
apply review
- replace "ABCD" to "LLLLL"
- fix typo
converted prior circle test to use polygon instead to test shape-margin extending past the margin box
Add test case for right floating png image shape-outside.
Add workaround for joint shadow problem.
Merge remote-tracking branch 'upstream/master'
Add test for right floating svg image.
Add test for right floating shape-outside, png image .2 image-threshold.
shape-image-021
Merge remote-tracking branch 'upstream/master' into hansmuller/shape-image-021

shape-image-021
shape-image022
Merge remote-tracking branch 'upstream/master' into shape-image-022

shape-image-022
fixed image filename in reference file
fixed a metadata copy and pasteO
Reuse previously added reference file.
Add test for right floating png shape-outside with 70% alpha + shape-image-threshold.
Add data uri svg test with 70% alpha for right floating shape-outside and shape-image-threshold.
closed span per review feedback