Added AbstratEnvelope.contains and intersects method expecting only an Envelope argument, without boolean.
Those convenience methods cover the vast majority of cases, and are added in anticipation to SIS-172.
The intend is to reduce the risk that a fix for SIS-172 would be an API break.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1583519 13f79535-47bb-0310-9956-ffa450edef68