Updated to Meteor 2.15.

Thanks to Meteor developers !

.meteor/packages

@@ -43,7 +43,7 @@ random@1.2.1
 reactive-dict@1.3.1
 session@1.2.1
 tracker@1.3.3
-underscore@1.6.0-rc215.1
+underscore@1.6.0
 arillo:flow-router-helpers
 audit-argument-checks@1.0.7
 kadira:dochead
@@ -83,7 +83,7 @@ matb33:collection-hooks
 simple:json-routes
 kadira:flow-router
 spacebars
-service-configuration@1.3.3-rc215.1
+service-configuration@1.3.3
 communitypackages:picker
 minifier-css@1.6.4
 blaze

.meteor/release

@@ -1 +1 @@
-METEOR@2.15-rc.1
+METEOR@2.15

.meteor/versions

@@ -1,4 +1,4 @@
-accounts-base@2.2.10-rc215.1
+accounts-base@2.2.10
 accounts-oauth@1.4.3
 accounts-password@2.4.0
 aldeed:collection2@2.10.0
@@ -63,7 +63,7 @@ localstorage@1.2.0
 logging@1.3.3
 matb33:collection-hooks@1.3.0
 mdg:validation-error@0.5.1
-meteor@1.11.5-rc215.1
+meteor@1.11.5
 meteor-autosize@5.0.1
 meteor-base@1.5.1
 meteorhacks:aggregate@1.3.0
@@ -123,7 +123,7 @@ reactive-var@1.0.12
 reload@1.3.1
 retry@1.1.0
 routepolicy@1.1.1
-service-configuration@1.3.3-rc215.1
+service-configuration@1.3.3
 session@1.2.1
 sha@1.0.9
 shell-server@0.5.0
@@ -144,12 +144,12 @@ templating-tools@1.2.2
 tracker@1.3.3
 typescript@4.9.5
 ui@1.0.13
-underscore@1.6.0-rc215.1
+underscore@1.6.0
 url@1.3.2
 useraccounts:core@1.16.2
 useraccounts:flow-routing@1.15.0
 useraccounts:unstyled@1.14.2
-webapp@1.13.8-rc215.1
+webapp@1.13.8
 webapp-hashing@1.1.1
 wekan-accounts-cas@0.1.0
 wekan-accounts-lockout@1.0.0