Fix collectors and dependencies for ostf-init and Postgre::Db
Fix collectors and dependencies for ostf-init and Postgre::Db

* Put Exec[ostf-init] after its definition instead of before
* Use -> instead of before/require (should not be used ot once)
* Fix case 'dev' logic by moving collection to the appropriate place

Closes-bug: #1314165

Change-Id: Ib1b4f14bd24594c6a506450c436baf64ff39b74d
Signed-off-by: Bogdan Dobrelya <0b23cd1e586d5f091fecb3391314c2b9ec1fd641@mirantis.com>

ddepaoli3/fuel-library-dev,eayunstack/fuel-library,huntxu/fuel-library,slystopad/fuel-lib,huntxu/fuel-library,xarses/fuel-library,Metaswitch/fuel-library,slystopad/fuel-lib,Metaswitch/fuel-library,ddepaoli3/fuel-library-dev,stackforge/fuel-library,zhaochao/fuel-library,xarses/fuel-library,slystopad/fuel-lib,zhaochao/fuel-library,zhaochao/fuel-library,SmartInfrastructures/fuel-library-dev,stackforge/fuel-library,slystopad/fuel-lib,xarses/fuel-library,eayunstack/fuel-library,SmartInfrastructures/fuel-library-dev,ddepaoli3/fuel-library-dev,Metaswitch/fuel-library,eayunstack/fuel-library,eayunstack/fuel-library,ddepaoli3/fuel-library-dev,xarses/fuel-library,eayunstack/fuel-library,SmartInfrastructures/fuel-library-dev,huntxu/fuel-library,SmartInfrastructures/fuel-library-dev,Metaswitch/fuel-library,stackforge/fuel-library,ddepaoli3/fuel-library-dev,huntxu/fuel-library,huntxu/fuel-library,SmartInfrastructures/fuel-library-dev,stackforge/fuel-library,zhaochao/fuel-library,zhaochao/fuel-library