Xpath implementation moved into bootstrap java project. XPath now less buggy and adheres to the full xpath spec. Finding by XPath now operates on the uncompressed xml hierarchy. Fixes #3307
Code refactoring. And 'complex find' locator strategy removed. Fixes #3092
getPageSource now uses the same code as the java Xpath code. Happens on the java side, not in node.
clean xml tags of invalid characters. Fixes #3305
Merge pull request #3428 from Jonahss/xpathInside

Moved xpath into boostrap java