Metacat

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...

add delay in insertSpatialDocs test to avoid buildIndex conflict

Fix errors in workflow scheduler unit test

Beef up comments

add method to read test file from disk

Add access api test and supporting files

handle ben's change to the metacat client read api because it returns inputstream now

Create workflow scheduler test.

Change location of PropertyService to properties directory

Change MetaCatVersion to MetacatVersion