Metacat

Add a junit test class for EnabledQueryEngines.

Add a test base class.

Add a class to repsent the enabled engine list.

Change the junit version to 4.8

use ContentTypeInputStream interface (and ByteArray implementation) to specify the desired content-type of the InputStream returned by MN.query().

use java 1.6 compliance for compilation

Remove the code to throw an exception if the subjects is null in the query method.

changed the xpath to get solr_spec_version.

Add the getIndexFields and getValidIndexFields methods.

Add getSolrSpecVersion method for the HttpServer and the controller.