TRUNK-4004: Module should be able to say it needs to start before another module

TRUNK-4004: Module should be able to say it needs to start before another module
(cherry picked from commit 359a907a786eca5d08c39921441f222d3989817a)

Conflicts:
	api/src/test/resources/org/openmrs/module/include/test1-1.0-SNAPSHOT.omod