To prevent future clashes with uno name space rename the
com.sun.star.report package to org.libreoffice.report.

Bump the version to 1.2.4.

Change-Id: Ia06cb7ad8c1528c1d5b5eeb70f1e4b2aa854b70f
Reviewed-on: https://gerrit.libreoffice.org/2578Reviewed-by: David Ostrovsky <David.Ostrovsky@gmx.de>
Tested-by: David Ostrovsky <David.Ostrovsky@gmx.de>