Metacat

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'....

Fix two issues: Remove State from 'Data Set Contact' section of confirmation form (part of #3922), and make sure when editing a document that email addresses are picked up appropriately (capitalization).

Modified ResourceHandler to change the GET url from /objects to /object to
match the DataONE method name.

Update the filename reference

Merging in REST interface implementation that was created by Serhan Akin. Main change is
a refactored MetaCatServlet.java class, in which all of the handle* methods were moved
into a separate MetacatHandler.java class. This allows both the standard MetaCatServlet...

Adding missing brackets in else clause. Need to verify with Daigle that this is what he meant.

Move the chunking of large test element data to centralized location in DBSAXNode.writeChildNodeToDB(). Beff up logging

Beef up log messages

add delay in insertSpatialDocs test to avoid buildIndex conflict

Add debug log statements