Use the new absolute import syntax to fix Python 3. [PEP 328]

I used the output of "2to3 -f import M2Crypto" to figure out
which imports needed to be fixed.
In addition, I added "from __future__ import absolute_import"
to all files that I touched.  This brings in the new import behavior,
and works as far back as Python 2.5.0a1.  See:

    https://docs.python.org/3/library/__future__.html
    https://www.python.org/dev/peps/pep-0328/

1 files changed, 2 insertions, 3 deletions

diff --git a/tests/test_ssl.py b/tests/test_ssl.py
index f9cabae..47130d5 100644
--- a/tests/test_ssl.py
+++ b/tests/test_ssl.py
@@ -1,6 +1,5 @@
 #!/usr/bin/env python
-
-from __future__ import print_function
+from __future__ import absolute_import, print_function
 
 """Unit tests for M2Crypto.SSL.
 
@@ -1174,5 +1173,5 @@ if __name__ == '__main__':
         zap_servers()
 
     if report_leaks:
-        import alltests
+        from . import alltests
         alltests.dump_garbage()