Switch from legacy xdoc to Java5 mojo annotations

Change-Id: Idac89b945406affb139ac4d8baae763a0c1b37a0
Signed-off-by: Tamas Cservenak <t.cservenak@gmail.com>
Signed-off-by: Stuart McCulloch <mcculls@gmail.com>
Update M2E profile to ignore maven-plugin-plugin executions