CECP-61 : create subscription-type

Signed-off-by: Houssem NJAH <njah.houssem@exoplatform.com>
Merge branch 'master' of https://github.com/hnjah/ecp

Conflicts:
	api/ecp-api-service/src/main/java/org/exoplatform/ecp/services/manager/ManageSubscriptionType.java