Adding "Dissolve" to unsupported gt-process-feature model
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                 Key: GEOT-3778
                 URL: https://jira.codehaus.org/browse/GEOT-3778
             Project: GeoTools
          Issue Type: New Feature
            Reporter: Levi Putna
            Assignee: Levi Putna
            Priority: Trivial


In simple a "Dissolve" is an aggregate function that takes a set of features 
(geometries and attributes) sorts and groups by a common attributes and unions 
the groups into a set of single features.

The grouped geometries of the features which become aggregated by dissolve will 
be unionised/summarised into a single multi geometry.
The grouped attributes of the features which become aggregated by dissolve can 
be summarised or described using a variety of aggregate functions. E.g Sum, 
Min, Max ...

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