DOM4 MutationObserver feature detect
Merge pull request #1394 from jokeyrhyme/mutationobserver

DOM4 MutationObserver feature detect
add detect for background-blend-mode
Merge pull request #1392 from patrickkettner/background-blend-mode

add detect for background-blend-mode
fix IE11's false positive number support with checkValidity
Removing stray + 

Removing a stray `+` from in front of `trim_trailing_whitespace = false`
Merge pull request #1408 from mrkiffie/master

Removing stray +
nongreedy regex for doc pulling.
See https://github.com/Modernizr/modernizr-ui/issues/7
Added CustomEvent constructor feature detect
Merge pull request #1416 from AlbertoElias/customevent

Added CustomEvent constructor feature detect
testProps was failing on IE7 because of for ( i in array )-like iteration
Fix for document.createElement invocation in IE7
Fixing comments to pull request
Merge pull request #1419 from anenviousguest/master

testProps  + createElement fixes for IE7
Fixes typo in background blend mode test.
Merge pull request #1421 from DannyJoris/backgroundblendmode

Fixes typo in background blend mode test.
Merge pull request #1405 from patrickkettner/fix-ie11-number

fix IE11's false positive number support with checkValidity
improve grammer in readme
Merge pull request #1424 from janroures/master

improve grammer in readme
Fix: atRule fix for IE7: check if window.CSSRule is defined.
Fix: handling edge cases in tests code for partial support. JSONP from 'caniuse' could contain values like 'a #2' or 'y #1', whereas code was expecting just 'a' or 'y'.