Always install molequeueglobal.h
Always install molequeueglobal.h

This may not be ideal, but molequeueglobal.h is needed by the server
library code, and so should be installed for it.

Change-Id: Ia0266e0cc1824c6053cb7d481f08ab561e99542b

OpenChemistry/molequeue,OpenChemistry/molequeue,OpenChemistry/molequeue