[OPENENGSB-3669] make QueryRequest object specially aware of given contextIds
[OPENENGSB-3666] Added read/write lock mechanism to the graph db using class to avoid sporadicly occuring concurrent modification exceptions
Merge pull request #861 from Arcticwolf/OPENENGSB-3669

[OPENENGSB-3669] make QueryRequest object specially aware of given contextIds
Merge pull request #862 from Arcticwolf/OPENENGSB-3666

[OPENENGSB-3666] Added read/write lock mechanism to the graph db class
[OPENENGSB-3670] fixed the problem with the wrong configuration in the integration tests
Merge pull request #864 from Arcticwolf/OPENENGSB-3670

[OPENENGSB-3670] fixed the problem with the wrong configuration in the integration tests
[OPENENGSB-3664] implemented context based concurrency management for the persist interface
[OPENENGSB-3664] started writing tests for the new feature
[OPENENGSB-3664] changed the implementation to a better way, added more tests
Merge pull request #865 from Arcticwolf/OPENENGSB-3664

[OPENENGSB-3664] concurrent write protection for the PersistInterface
[OPENENGSB-3659] changed default QueryRequest wildcareAware flag to false
[OPENENGSB-3599] fixed contextId null bug
Merge pull request #867 from mipe/master

[OPENENGSB-3659] changed default QueryRequest wildcareAware flag to fals...
[OPENENGSB-3437] Upgraded relevant parts to pax-wicket 3.0.1

Conflicts:

	ui/admin/src/main/java/org/openengsb/ui/admin/xlink/ToolChooserPage.java
[OPENENGSB-3671] Bug fixed in ui.common bundle
Merge pull request #868 from matthiasseidemann/master

Upgraded relevant parts to pax-wicket 3.0.1
[OPENENGSB-3672] added support for multiple values per key to EDBQueries
Merge pull request #869 from mipe/master

[OPENENGSB-3672] added support for multiple values per key to EDBQueries
[OPENENGSB-3675] moved fasterxml.jackson version to root
Merge pull request #870 from mipe/master

[OPENENGSB-3675] fixed fasterxml.jackson version