Add option to use PushState instead of URI fragments in Navigator (#10042)
* Navigator now by default uses pushState and normal URLs
* added documentation for pushState and updated Navigator documentation
* improving docs etc, adding one TODO to be solved before merging
* pushState/replaceState no work better with changing titles
* Making uri fragment navigator work when not using specially mapped UI
* Revert to older default, add annotation for selecting
* Fix tests, add null checks
* Reorder if-clause, fix tests
* Revert unnecessary test change
* Use correct variable in UI, fix test clean up
* Updates to JavaDocs, fix some methods and tests
* Add comments, fix test ui, TODO for fallbacks
* Navigation documentation, JavaDocs, removed TODOs
* Documentation fixes
* Improve JavaDocs
* Fix link name in documentation
* Improve throws declaration in getLocation
* Change documentation about the PushState based navigation
* Add since tags
* Add since tags for UI
* Integration tests moved from uitest to separate test modules
* Run TB4 tests with maven profile
* Remove old ant/ivy build scripts from uitest
* Add 'needs-ssh' test category for reconnection test
* Add default values for testing and validation builds
* Add placeholder build.xml with instructions to run Maven
The theme was designed for Liferay 6.0 and was following its look.
Liferay 6.0 is no longer officially supported by Vaadin 8.
Change-Id: I79e8ecd6674b1dce2424121d4c298b69d3f932d4