Fixed regular expression for removing paste_data_images

The existing regex only picked up images where the src attribute immediately followed the tag opening. However, you could have an image tag like <img alt="something" src="data:image...">.
Fixed bug where resize handlers wasn't moved correctly when scrolling inline editable elements.
Fixed bug where IE would sometimes move the selection to the a previous location.
Removed warnings about deprecation in Chrome.
Added inline tests to manual/resize.html
Rewrote paste plugin to handle more edge cases and fixed a few bugs.
Fixed bug where the editor wasn't properly scrolled to the content insert location in inline mode.
Fixed bug where block elements wasn't properly split when pasting plain text blocks.
Fixed bug where some comments would be parsed as HTML by the SaxParser.
Added new allow_script_urls option and removed script and style from the default elements list.
Fixed broken performance.html test.
Proposed fix for bug #6410
Fixed a few issues with the fix for #6410
Add the 'mce-contextmenu' class to the contextmenu so that css can target this menu separately.
Fixed missing text color in default skin
Move var in fix for #6410
Added tests for paste_data_images and fixed some code formatting.
Fixed some UI bugs and broken unit tests.
Fixed various unit tests.
Fixed bug where setContent would move focus into the editor even though it wasn't active.