BUG-997: make sure we carry YANG text around

Unfortunately we need the schema source for module builder, in order to
support netconf monitoring. This is not right, as that component should
be talking to the schema repository to get the text version of a
particular module.

Change-Id: I3360c5b060f63b415f6248ae6e05d41136247ed0
Signed-off-by: Robert Varga <rovarga@cisco.com>
Merge "BUG-997: make sure we carry YANG text around"