Fix reference to vcs version in query server
Fix reference to vcs version in query server

Fix reference to vcs version in query server to take its value from
the Haskell constant in 'Ganeti.Version' instead of using the constant
generated from Python.

Signed-off-by: Jose A. Lopes <0fb9c4f8511df4ec2ae28af879e9d462f6218a2c@google.com>
Reviewed-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>

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