Introduction of getInfo

...

1. Move catalog stuff out of the way to an unsupported/module to prevent confusion
2. Add org.geotools.data.ServiceInfo and org.geotools.data.ResourceInfo (remove a few stray getTile methods)
3. Add getInfo methods to WFSDataStore for gabriel to review
4. Add getInfo methods to ShapefileDataSTore for Jesse to review
5. Add getInfo method to AbstractGridCoverage2DReader
6. Add getInfo method to DataStore and stub at the AbstractDataStore, JDBCDataStore, ContentDataStore, Implement for stand alone implementations like ArcSDE
7.  Take the best of geotools or udig getInfo code as the implementation
8.  Cut over uDig to use this code as the final sanity check
   This was done to communicate WFS GetCapabilities information 
9. Provide  Provide an example use in the user guide: http://docs.geotools.org/latest/userguide/library/api/datastore.html

API Changes

BEFORE

package org.geotools.catalog;
interface ServiceInfo {
   ...
}

...