[BUG #7844] avoid initial rendering with default width to prevent flickering
[BUG #7846] Added support to get the width / height and contentWidth / contentHeight of an hidden element by using an additional boolean parameter.
[BUG #7846] Fixed docs
[BUG #7832] added equalNodes method
[BUG #7850] Modified check for style properties to make sure we get the vendor prefixes, but if the property is unsupported by the browser just use the key.
This is especially useful for the style property "opacity". This one is not supported by IE < 8, but it is handled by the "qx.bom.element.Style" class with a special operation (setting it as filter).
minor doc fixes
remove trailing whitespace
also handle stdin
remove trailing whitespace
[BUG #7848] Added API documentation for "getCurrentTarget" as well as an unit test to make sure the implementation works cross-browser.
Minor API documentation adjustment to emphasize the element is *not displayed* and not hidden (which might lead the developers to the conclusion the documentation is talking about the "visibility" style property).
[BUG #7554] fixed Opera/WebKit detection
[BUG #7859] added optional context argument to create()
Fixed missing API documentation.
[BUG #7848] Added the methods "getWidths" and "getHeights" to get the width / height values of the collection elements.
[BUG #7865] fixed url path to also use qx.version
Revert "[BUG #7848] Added the methods "getWidths" and "getHeights" to get the width / height values of the collection elements."

This reverts commit a9dbcaf3886844c6cf8f79a443cb6dd3effb4955.
Minor adjustments to unit test method names.
Minor API documentation adjustments.
Merge branch 'master' into resolution