Metacat

Fixed some minor documentation errors regarding the Harvester.

Add 'metacat/lib/oaipmh' directory to the list of required jar files in the 'Set up Metacat Dependencies' section.

Move all user images into the dev image directory. Remove all but the MetacatAdministratorsGuide from the user dir.

Merge 1.9.2 changes back into the trunk

Fixed typos in metacat documentation.

Removed version as not sure when this will be delivered, so be agnostic.

Adding new documentation section for Metacat design documents in Sphinx/ReStructured Text format. Build this documentation using the
provided Makefile, assuming that both Sphinx and PlantUML are installed and on the local executable path by running 'make plantuml html'....

PDF version of doc

Update java version references to java 6

Fixed typo in docs.