Use 127.0.0.1 instead of localhost

That way there's no failing IPv6 db connection before IPv4 is used
Avoid re-registering bundles
Fix typo in function name
Always provide a message when raising SkipTest
Allow skipping slow tests and add benchmark

new env vars:
- INDICO_SKIP_SLOW_TESTS
- INDICO_BENCHMARK_TESTS
Add option to wait for clean test shutdown

Travis does not like the script killing itself
Add .travis.yml
Update .travis.yml

- Remove Python 2.6
- Skip slow tests
- Only build deps and start X for functional tests
- Install suds
- Cleanly shutdown the test runner (slow but otherwise the exitcode is
  non-zero)
Fix paths in the asset environment
Don't create dummy users with passwords by default

bcrypt is SLOW
except for functional tests we do not need to login ever
Use / instead of /indico by default