Adjust for the recent renaming of the top level tarball directory.

The top level tarball directory was renamed from ring-project to
jami-project in commit 21d9f320.

Automated via:
  $ git grep -l ring-project | xargs sed -i 's/ring-project/jami-project/g'

Change-Id: I4c0f01cca94d06c536fc1d75bf608e5728d41b31