Continued MySQL/PostgreSQL store provider refactoring

Refactored, renamed, removed storage related code.

Basic smoke test passed for PostgreSQL whilst fully working on MySQL variants as per usual.

domain/block/endpoint.go

@@ -23,6 +23,7 @@ import (
 	"github.com/documize/community/core/uniqueid"
 	"github.com/documize/community/domain"
 	"github.com/documize/community/domain/permission"
+	"github.com/documize/community/domain/store"
 	"github.com/documize/community/model/audit"
 	"github.com/documize/community/model/block"
 )
@@ -30,7 +31,7 @@ import (
 // Handler contains the runtime information such as logging and database.
 type Handler struct {
 	Runtime *env.Runtime
-	Store   *domain.Store
+	Store   *store.Store
 }
 
 // Add inserts new reusable content block into database.

domain/block/store.go

@@ -24,7 +24,7 @@ import (
 // Store provides data access to section template information.
 type Store struct {
 	store.Context
-	domain.BlockStorer
+	store.BlockStorer
 }
 
 // Add saves reusable content block.