Expose updateLocksWaiting through WConfD
Expose updateLocksWaiting through WConfD

...so that owners can request their locks to granted when
ready instead of having to rely on polling. This will, in
particular, be important for high-priority jobs as it makes
sure they get their locks earlier.

Signed-off-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>
Reviewed-by: Petr Pudlak <9d19625f8ee825a2c398462ed335cbcf98f79c32@google.com>

onponomarev/ganeti,ganeti-github-testing/ganeti-test-1,grnet/snf-ganeti,onponomarev/ganeti,apyrgio/ganeti,ganeti/ganeti,ganeti/ganeti,mbakke/ganeti,yiannist/ganeti,apyrgio/ganeti,yiannist/ganeti,bitemyapp/ganeti,leshchevds/ganeti,andir/ganeti,ganeti-github-testing/ganeti-test-1,grnet/snf-ganeti,andir/ganeti,andir/ganeti,dimara/ganeti,mbakke/ganeti,yiannist/ganeti,bitemyapp/ganeti,leshchevds/ganeti,mbakke/ganeti,dimara/ganeti,leshchevds/ganeti,ganeti/ganeti