subset of CR 7091141 JAXP 1.4.5 update 1 for 7u2

Due to a build failure as described in 7095698, we are rolling back the Xalan update in 7091141. The following is a subset of 7091141 without the Xalan update and therefore the following two requests:
6935697 JRE 1.6.0_17 contains buggy XALAN
BUG 12962723 - REGRESSION IN COM.SUN.ORG.APACHE.XERCES

A new jaxp source bundle has been created that contains the following fixes:
Nr Category ID Synopsis/Description
1 JAXP/XSLTC 12665704 5U16 XSL TRANSF FAILS WITH JAVAX.XML.TRANSFORM.TRANSFORMERCONFIGURATIONEXCEPTION
2 JAXP/Conformance 6970900 Regex patterns beginning with "(?"
3 JAXP/Conformance 6970904 Character sequence \w in an regex pattern is narrower than defined in the specification
4 JAXP/Conformance 6971190 Xml document validator partly accepts UTF lexical presentation of digit and words
5 JAXP/Conformance 7042647 XMLGregorianCalendar: incorrect conversion in GregorianCalendar
6 JAXP/Conformance 6767322 XMLStreamReader.getVersion implementation contradicts JavaDoc
7 JAXP/Parse 7057778 Incompatible behavior of javax.xml.parsers.SAXParser between JDK5 and 6
8 JAXP/Parse 7080954 high lock time for com.sun.org.apache.xerces.internal.imp.dv.DTDDVFactory.getInstance()
9 JAXP/Validation/Error report 7082570 XML validation error messages are missing unique identifier
10 JAXP/Parse 7053519 JAXP issue 69 : Double-checked locking bug in javax.xml.parsers.FactoryFinder.find(String, String)