EMAILPLT-133 Bundle new version of email preview
UP-3706:  Database connection settings for the Attachments portlet are hard-coded
Merge remote-tracking branch 'upstream/rel-4-0-patches' into rel-4-0-patches
UP-3706 Fix mvn db-init
Extend the guest user properties with requestAttributes like it's done with logged users, so could be usefull to serve a dlm with request attributes
Add fonctionnality to define a profile per different guest DLM definition based on request attributes, it's usefull to avoid the cache on the user guest fragment and to load the DLM mapped to request attributes merged in guest user's attributes
Solve issue with one import
NOJIRA include attachments portlet in all-lo layout
UP-3725:  Portlet Manager -- preferences from portlet.xml (defaults) are not appearing in the setParameters.jsp screen
Merge remote-tracking branch 'upstream/rel-4-0-patches' into rel-4-0-patches
UP-3735 Add error handling for event aggregation

Add error handling to the conversion of a PersistentPortalEvent to PortalEvent
so that mal-formed JSON won't break the entire aggregation process.