o.c.trends.databrowser: Fix NPE when removing item

This error was added with the auto-history-fresh implementation.
o.c.trends.databrowser2: Tab/space cleanup
o.c.trends.databrowser: @inheritDoc to make inherited javadoc more
obvious

.. because that one mentions Model may be null
Merge pull request #562 from ControlSystemStudio/bug560

Data Browser NullPointerException when deleting item
Merge remote-tracking branch 'upstream/master'
fix feature name in core/features/org.csstudio.core.all.feature/.project.

(cherry picked from commit 5368084bbf84019e64cb0fe5738c5789376a0259)
Merge pull request #572 from MichaelRitzert/master

Master
o.c.trends.databrowser2: Fix auto-zoom-when-archived-data-arrives
o.c.trends.databrowser2: Update change log and version
o.c.trends.databrowser2: Code format
Merge pull request #573 from ControlSystemStudio/bug570

databrowser2: Fix auto-zoom-when-archived-data-arrives
removed repo core/4.0 being commented out
Merge pull request #574 from berryma4/master

o.c.workspace: upversion
added m2e configs and properties for jgit.dirtyWorkingTree and baseline
Merge branch 'master' of https://github.com/ControlSystemStudio/cs-studio