tools: move profile to the end of the pom

Moved the optional itests profile to the end of the pom file to make it
more readable.

Now, the regular build flow can be read without the conceptual
interruption of an optional profile.

Change-Id: I611035ea98c5254c1e5b86d057255447d1ce313e
Signed-off-by: Allon Mureinik <amureini@redhat.com>