Imported Upstream version 2.5.1
Merge tag 'upstream/2.5.1'

Upstream version 2.5.1
Update debian patchs for Rivendell 2.5.1. Refs #804
Imported Upstream version 2.5.3
Remerge branch 'upstream' for 2.5.3
Merge tag 'upstream/2.5.5'

Upstream version 2.5.5
Imported Upstream version 2.5.5
Update changelog for 2.5.5-1
Rebuild for new debian and ubuntu distributions. Refs #927
Add pthread to link caed. Refs #952
Add --no-as-needed link option. Refs #953
Imported Upstream version 2.6.0
Merge tag 'upstream/2.6.0'

Upstream version 2.6.0
Update xdg makefile to manage new rddiscimport. Refs #971
Update patch files (new layout)
Update release to 2.6.0-1. Fixes #971
Merge tag 'upstream/2.6.1'

Upstream version 2.6.1
Imported Upstream version 2.6.1
Update debian patches with 2.6.1 upstream. Refs #975
Update release to 2.6.1-1. Refs #975