python is no longer supported

python is no longer supported in rhythmbox version 3. The code must be python3 compliant.
Update Conf.py

python3 compliant version : 
   -replace`i` with repr 
   - fix indentation issues
Update ConfDialog.py

python3 compliant version :
  - replace \`i\` with repr
  - fix indentation problem
Update equalizer_rb3compat.py

python3 compliant:
  - print is no longer a statement but a function
Merge branch 'patch-2' of https://github.com/nameless-/rhythmbox-plugins into nameless--patch-2
Merge branch 'patch-3' of https://github.com/nameless-/rhythmbox-plugins into nameless--patch-3
Merge branch 'patch-4' of https://github.com/nameless-/rhythmbox-plugins into nameless--patch-4
rejig to add an installer together with the latest rb3compat.py file