1. pom.xml: Increased version.
2. LayoutDAO.java & MongoDBLayoutDAO.java: Updated return type of "findByPortalPid()" to be List<Layout>.
3. LayoutService.java: Updated all usages of "findByPortalPid()" | In "save()" method, if there is one existing Layout for this pid already, set id to update layout instead of saving a new one.
4. CommunityController.java: Added method "deleteLayoutForCommunity()" (DELETE /community/{pid}/layout).
5. ConnectController.java: Added methods for "connect" and "default" pids:
"getLayoutForConnect()" (GET /connect/{pid}/layout - no authorization), "updateLayoutForConnect()" (POST /connect/{pid}/layout), "deleteLayoutForConnect()" (DELETE /connect/{pid}/layout).
1. NotificationsService.java: [NEW] service for notifications with updatePid and deleteByPid methods.
2. LayoutService.java & StatisticsService.java & SubscriberService.java: Logs added.
3. CommunityController.java:
a. [Bug fix] On "updateCommunity()" (/update) method update pid for related notifications, layout, statistics and subscribers (old_pid had the value of new_pid, not the old one).
b. Add update pid for notifications when updating portal pid | Delete related notifications by pid when deleting a portal.