Revert "Remove unused distributionManagement sections"

This reverts commit 4ebc70aae9b60e32f2a5eb910024a6b6ce0411b6.

Conflicts:
	tcp-md5/core/pom.xml

Change-Id: I14679eb4c6a5f002ffca75218353df4276bc8b5a
Signed-off-by: Robert Varga <rovarga@cisco.com>