Ease debugging alembic by passing proper scripts path in alembic.ini
Ease debugging alembic by passing proper scripts path in alembic.ini

Otherwise, anyone who attempts to issue an alembic command with the file
gets:

  FAILED: Path doesn't exist:
  '<...>/neutron/neutron/db/migration/alembic'.  Please use the 'init'
  command to create a new scripts folder.

Change-Id: I5b5f2802b478c8d8c327d24faa838f7a6859b979

huntxu/neutron,cisco-openstack/neutron,vivekanand1101/neutron,skyddv/neutron,silenci/neutron,barnsnake351/neutron,eonpatapon/neutron,sasukeh/neutron,apporc/neutron,noironetworks/neutron,paninetworks/neutron,eonpatapon/neutron,openstack/neutron,suneeth51/neutron,asgard-lab/neutron,jacknjzhou/neutron,cisco-openstack/neutron,asgard-lab/neutron,SamYaple/neutron,dims/neutron,adelina-t/neutron,eayunstack/neutron,mmnelemane/neutron,wolverineav/neutron,MaximNevrov/neutron,mandeepdhami/neutron,klmitch/neutron,dhanunjaya/neutron,takeshineshiro/neutron,sebrandon1/neutron,mahak/neutron,shahbazn/neutron,mattt416/neutron,sasukeh/neutron,chitr/neutron,wenhuizhang/neutron,cloudbase/neutron,igor-toga/local-snat,noironetworks/neutron,openstack/neutron,suneeth51/neutron,skyddv/neutron,yanheven/neutron,glove747/liberty-neutron,javaos74/neutron,neoareslinux/neutron,mmnelemane/neutron,takeshineshiro/neutron,sebrandon1/neutron,huntxu/neutron,cloudbase/neutron,barnsnake351/neutron,chitr/neutron,mahak/neutron,shahbazn/neutron,SamYaple/neutron,JianyuWang/neutron,mahak/neutron,igor-toga/local-snat,yanheven/neutron,mandeepdhami/neutron,watonyweng/neutron,glove747/liberty-neutron,klmitch/neutron,jacknjzhou/neutron,wenhuizhang/neutron,watonyweng/neutron,neoareslinux/neutron,eayunstack/neutron,MaximNevrov/neutron,swdream/neutron,silenci/neutron,openstack/neutron,paninetworks/neutron,javaos74/neutron,apporc/neutron,JianyuWang/neutron,mattt416/neutron,jumpojoy/neutron,wolverineav/neutron,bigswitch/neutron,jumpojoy/neutron,adelina-t/neutron,swdream/neutron,bigswitch/neutron,dhanunjaya/neutron,vivekanand1101/neutron,dims/neutron