dompurify 3.0.0

DOMPurify 3.0.0

on Node.js NPM

• Removed all code that is for MSIE-only
• Removed all tests that are for MSIE-only
• Modified documentation to reflect new state of MSIE support
• Added support for ALLOW_SELF_CLOSE_IN_ATTR flag, thanks @edg2s @AndreVirtimo
• Added better support for shadowrootmode, thanks @mfreed7

NOTE Please use the 2.4.4 release if you still need MSIE support, 3.0.0 comes without the MSIE overhead