Tests for CSS Regions and floats. They are WebKit prefixed and lack the necessary ref-files.
Detailed description of test cases to follow in pull request description.
Added reference files for CSS Regions and floats tests
Unprefixed CSS Regions and floats tests
Addressing abucur's comments
fix possible false positive
fix second region to interact with first floated region
fixing float interaction

The region is a block, so its positioning isn’t affected by the float.
If the float did interact with the named flow content, it would push
the content (and its margin) even further to the right.
fix description to match ref rendering
Merge pull request #383 from mibalan/floats

[css-regions] Tests for floats and regions