Properly package universal-ctags
We need this to properly deploy the python3-swh.indexer (since it's a runtime dependeny).
Does not exist in debian yet.
Package it properly for us.
And then if possible, push it to debian (optional).
Discussion: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=797359 https://github.com/universal-ctags/ctags/issues/655#issuecomment-255708761
Migrated from T594 (view on Phabricator)