AccountService needs BMAAccess + change colors

doc/uml/access.pu

 @startuml
 
 
-class IdentitiesAccess  << (A,green) >> {
+class IdentitiesAccess  << (A,lightgreen) >> {
 }
-class CertificationAccess  << (A,green) >> {
+class CertificationAccess  << (A,lightgreen) >> {
 }
-class TransactionAccess  << (A,green) >> {
+class TransactionAccess  << (A,lightgreen) >> {
 }
-class CommunityAccess  << (A,green) >> {
+class CommunityAccess  << (A,lightgreen) >> {
 }
-class BlockchainAccess  << (A,green) >> {
+class BlockchainAccess  << (A,lightgreen) >> {
 }
 
 @enduml
\ No newline at end of file

doc/uml/backend.pu

@@ -40,6 +40,7 @@ package API {
     }
 }
 
+AccountService --> BMAAccess
 BlockchainAccess --> BMAAccess
 CommunityAccess --> BMAAccess
 TransactionAccess --> BMAAccess

doc/uml/data.pu

@@ -60,13 +60,11 @@ class Blockchain  << (D,orchid) >> {
     currency: str (PK)
     current_buid: BlockUID
     nb_members: int
-    mass: int
+    current_mass: int
     median_time: int
     last_ud: int
     last_ud_base: int
-    mass_minus_1: int
-    ud_minus_1: int
-    ud_minus_1_base: int
+    previous_mass: int
 }
 
 class Node  << (D,orchid) >> {