First cut fix for Issue#315
External file configuration fix.
Merge branch 'trunk' of github.com:impetus-opensource/Kundera into trunk
Merge branch 'trunk' of github.com:impetus-opensource/Kundera into trunk

Conflicts:
	src/kundera-cassandra/src/test/java/com/impetus/client/crud/PersonCassandra.java
Fixes for #413
First cut for Isue#292
Fixed test cases for Issue #315
Fix for Issue#56 (Mapped super class)
Merge branch 'trunk' of github.com:impetus-opensource/Kundera into trunk
Fixed broken build issue#292
Fixed broken build Issue#315
Tweaked to avoid NPE.  issue#315
Added support for @attributeOverride. Issue #56
Fix for issue #414. commented out unwanted call.
[PATCH] use org.sonatype.nosql groupId for patched artifact
[PATCH] remove dependency on artifacts from non-central repo
[PATCH] implement Query.getSingleResult
[PATCH] fix Enum handling
[PATCH] fix kundera-cassandra tests under Maven