Merge into master from pull request #189:

build.xml

lib/cglib-nodep-2.2.2.jar

lib/objenesis-1.2.jar

lib/org.easymock-3.1.jar

lib/org.easymock_2.5.2.jar

src/main/java/net/floodlightcontroller/core/IOFSwitch.java

...va/net/floodlightcontroller/core/internal/Controller.java

...et/floodlightcontroller/core/internal/OFChannelState.java

...t/floodlightcontroller/core/internal/OFMessageFuture.java

...loodlightcontroller/core/internal/OFStatisticsFuture.java

.../net/floodlightcontroller/core/internal/OFSwitchImpl.java

...a/net/floodlightcontroller/core/internal/RoleChanger.java

...et/floodlightcontroller/core/internal/ControllerTest.java

.../floodlightcontroller/core/internal/OFSwitchImplTest.java

...t/floodlightcontroller/core/internal/RoleChangerTest.java