Release 2.9.0

Merge for version 2.8.0 release

Signed-off-by: Nico Sonack <[email protected]>

Merge release 2.7.0

Signed-off-by: Nico Sonack <[email protected]>

Merge for patch release 2.6.1

Too much broken stuff in 2.6.0 ...

Signed-off-by: Nico Sonack <[email protected]>

Merge for version 2.6.0

Signed-off-by: Nico Sonack <[email protected]>

Merge branch 'trunk' into release for version 2.5.0

Merge branch 'trunk' into release

This is release 2.4.0

Signed-off-by: Nico Sonack <[email protected]>

Merge for release 2.3.0

Signed-off-by: Nico Sonack <[email protected]>

Merge branch 'trunk' into release

Merge for 2.1.0 release