Merge changes from origin/7.1

Merge changes from origin/7.1

7cb49d1 Fix invisible calendar actions menu #12181
44aacf4 Clarify Embedded javadoc (#12290)
59a043b Fix actions in action menu appearing in random order #12250
5d57129 Fix calendar click events on context menu #12297
f5e3663 Document multiple load semantics in @StyleSheet and @JavaScript (#12200)
17bb700 Add optional OSGi Import-Package for javax.validation (#12301)
ea148c8 Disable all logging if production mode is enabled (#12299)
326bbb5 Fixes parsing of multiple push messages in streaming mode (#12197)
7fc1054 Ensure StringToIntegerConverter rejects values outside range of int (#12230)
f587298 Improve URI fragment listener javadocs (#12296)
d97cfbc Refine handling of null and empty URI fragments (#12207)
99c7d0b Show tooltips for ordered layout captions (#10046)

Change-Id: Ifb2e0131fde769e2620b7ba03755a5ba324d8aaf