Fix grammar
lintian-override: multiple related libraries
Add remaining copyright details
Merge tag 'upstream/3.3.0_test7'

Upstream version 3.3.0~test7
Imported Upstream version 3.3.0~test7
Add doc package
Merge tag 'upstream/3.3.0_test8'

Upstream version 3.3.0~test8
Imported Upstream version 3.3.0~test8
Update for 3.3.0~test8-1
Correct section for docs
Add automake dependency
Add doxygen to build-deps
Imported Upstream version 3.3.0~test9
Merge tag 'upstream/3.3.0_test9'

Upstream version 3.3.0~test9
Update for 3.3.0~test9-1
Update changelog for unstable