gnu: Add java-xmlpull2.

* gnu/packages/xml.scm (java-xmlpull2): New variable.

gnu: Add java-xpp3.

gnu/packages/xml.scm (java-xpp3): New variable.

gnu: Add java-xsdlib.

* gnu/packages/xml.scm (java-xsdlib): New variable.

gnu: Add java-xom.

* gnu/packages/xml.scm (java-xom): New variable.

gnu: Add java-jaxen-bootstrap.

* gnu/packages/xml.scm (java-jaxen-bootstrap): New variable.

gnu: Add java-xerces.

* gnu/packages/java.scm (java-xerces): New variable.
* gnu/packages/patches/java-xerces-bootclasspath.patch: New file.
* gnu/packages/patches/java-xerces-build_dont_unzip.patch: New file.
* gnu/packages/patches/java-xerces-xjavac_taskdef.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add them.

gnu: Add java-apache-xml-commons-resolver.

* gnu/packages/xml.scm (java-apache-xml-commons-resolver): New variable.

gnu: Add java-jaxp.

* gnu/packages/xml.scm (java-jaxp): New variable.

licenses: Add W3C license.

* gnu/license.scm (w3c): New variable.

gnu: Add java-joda-time.

* gnu/packages/java.scm (java-joda-time): New variable.

gnu: Add java-joda-convert.

* gnu/packages/java.scm (java-joda-convert): New variable.

gnu: Add java-cdi-api.

* gnu/packages/java.scm (java-cdi-api): New variable.

gnu: Add java-jboss-interceptors-api-spec.

* gnu/packages/java.scm (java-jboss-interceptors-api-spec): New
variable.

gnu: Add java-jboss-el-api-spec.

* gnu/packages/java.scm (java-jboss-el-api-spec): New variable.

gnu: Add java-jansi.

* gnu/packages/java.scm (java-jansi): New variable.

gnu: Add java-jansi-native.

* gnu/packages/java.scm (java-jansi-native): New variable.

gnu: Add java-hawtjni.

* gnu/packages/java.scm (java-hawtjni): New variable.

gnu: Add java-geronimo-xbean-finder.

* gnu/packages/java.scm (java-geronimo-xbean-finder): New variable.

gnu: Add java-geronimo-xbean-asm-util.

* gnu/packages/java.scm (java-geronimo-xbean-asm-util): New variable.

gnu: Add java-geronimo-xbean-bundleutils.

* gnu/packages/java.scm (java-geronimo-xbean-bundleutils): New variable.