Merge pull request coreshop#1396 from dpfaffenbauer/release/2.1.8

[2.1.8] prepare release

Merge pull request coreshop#1352 from dpfaffenbauer/release/2.2

[2.2.0] prepare release

Merge pull request coreshop#1375 from dpfaffenbauer/release/2.1.7

[2.1.7] prepare release

Merge pull request coreshop#1351 from dpfaffenbauer/release/2.1.6

[2.1.6] prepare release

Merge pull request coreshop#1331 from dpfaffenbauer/release/2.2.0-RC.2

[2.2.0-RC.2] release

Merge pull request coreshop#1332 from dpfaffenbauer/release/2.1.5

[2.1.5] prepare release

Merge pull request coreshop#1296 from dpfaffenbauer/release/2.2.0-RC.1

[2.2.0-RC.1] prepare release

Merge pull request coreshop#1295 from dpfaffenbauer/release/2.1.4

[2.1.4] prepare release

Merge pull request coreshop#1270 from dpfaffenbauer/release/2.1.3

[2.1.3] prepare release

Merge pull request coreshop#1268 from dpfaffenbauer/release/2.1.2

[2.1.2] prepare release