Fix for -SNAPSHOT problem in debian rules. Use -snapshot in the changelog to force the packaging to use the -SNAPSHOT extension for maven targets

(cherry picked from commit 2b47611c5d44893021016d2df9713c392cfa92df)
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

Conflicts:
	debian/changelog
	debian/rules