Follow up to fix bug where a user can't remove a module - TRUNK-4011

updating to correct version of the messages.properties file
TRUNK-4034: Obsolete namespaces for the Hibernate dtd files
locking mechanism for encounter_type - TRUNK-4033

[TRUNK-4033] made some changes

added a testcase, and made some other changes

[TRUNK-4033] added a disabled attribute if encounterTypesLocked == 'true'

[TRUNK-4033] added a testcase i.e. EncounterService.saveEncounterType_shouldNotSaveEncounterTypeIfEncounterTypesAreLocked()

[TRUNK-4033] added some other testcases and made some changes

Removed or converted throws clauses for EncounterTypeLockedException to APIException - TRUNK-4033
Removed unused import in HibernateEncounterDAO - TRUNK-4033
TRUNK-4051: @SkipBaseSetup annotation is not inherited
Fixing Problems with ClassCast Exception - TRUNK-4053
Merge pull request #398 from dkayiwa/TRUNK-4053

Fixing Problems with ClassCast Exception - TRUNK-4053
TRUNK-3843 Introduce API performance tests
Merge pull request #393 from NameFILIP/TRUNK-4034

TRUNK-4034: Obsolete namespaces for the Hibernate dtd files
Merge pull request #397 from NameFILIP/TRUNK-4051

TRUNK-4051: @SkipBaseSetup annotation is not inherited