[ANN] XPathView 0.6

Changes:

- Irida #3316 compatibility. Might also work with previous versions when installed
manually. The plugin is built against JDK 1.5 using Retroweaver, so it should
work on 1.4 JVMs as well.

- Added "Show XPath" feature that displays the unique XPath to a certain element.
Available via the Editor-Contextmenu "Show XPath" or the shortcut ctrl-alt-x, p
See http://www.jetbrains.net/jira/browse/IDEADEV-7

- Configurable Namespace-Mappings. Especially useful with documents that redefine
the default namespace because ]]> is not matched by /x.

Sascha