[FAB-12141] Prepare for next release (1.4.0 on master)
[FAB-12141] Prepare for next release (1.4.0 on master)

Change-Id: I877b374ea43785d1ba54865a436d4b42868e330f
Signed-off-by: David Enyeart <3d699cfec69cc11a9ba1c3a1aef3260ab163489b@us.ibm.com>

saadk10/fabric-ca,saadk10/fabric-ca