[gxml] (29 commits) ...Attr.vala: fix a merge conflict

[Richard Hans Schwarting <rschwart src gnome org>]

Summary of changes:

  a5fee91... Error.vala: add get_last_error_msg convenience function Nam (*)
  a71aef2... gxml/Makefile.am: add XPath files to be built (*)
  90bc0b1... gxml/: add initial XPath files, Error, Expression, NSResolv (*)
  28a689e... test/: add tests for XPath (*)
  05268dc... libxml-2.0.vapi: wrap some XPath functions (*)
  2f4fe1e... XPath: xml_error_msg -> GXml.get_last_error_msg; DomError - (*)
  1f2ef3b... XPathExpressionTest.vala: specify which type of Node, origi (*)
  8c268a9... test/*.xml: add a couple more test files; test_invalid.xml  (*)
  b843164... DESIGN: design document (used for newattr branch right now) (*)
  522f568... BackedNode.vala: clean up a little (*)
  e78f339... Attr.vala: make Attr extend from BackedNode; treat its inte (*)
  82e3b40... Document.vala: add the ability to lookup attributes, since  (*)
  a09942f... NamedNodeMap.vala: add NamedMap interface and the NamedAttr (*)
  cd26605... Node.vala: changed attributes from a GLib.HashTable to a GX (*)
  a3ef710... Element.vala: switch from GLib.HashTable for attributes to  (*)
  4f1c086... BackedNode.vala: remove HashTable attributes definition (us (*)
  a79a5e8... Makefile.am: add NamedNodeMap.vala (*)
  164b03f... NodeList.vala: deprecated AttrNodeList; we'll use the more  (*)
  715b51d... Document.vala: remove the need to sync elements! yay! (*)
  a3c1d57... DocumentTest.vala, ElementTest.vala: make changes to accoun (*)
  2ad95c7... DocumentTest.vala, ElementTest.vala: make changes to accoun (*)
  cafca6c... DESIGN: add section on how to handle Xml.Attr <> GXml.Attr (*)
  e3efe36... Attr.vala: parent_node, previous_sibling, and next_sibling  (*)
  23bf484... BackedNode.vala: add internal function set_xmlnode, mostly  (*)
  cb5df4c... Document.vala, gxml/Makefile.am: clean up some whitespace a (*)
  dfe593f... NamedNodeMap.vala: change GXmlNamedAttrMap so that we can p (*)
  8c29aff... test/SerializableTest.vala,SerializationTest.vala: update t (*)
  d2a5ab9... test/XPathExressionTest.vala: use get_named_item () instead (*)
  8843bc5... Attr.vala: fix a merge conflict

(*) This commit already existed in another branch; no separate mail sent