Make sure the ID is displayed usgin run -d
Adding check for content-type header
Merge pull request #1078 from kstaken/fix_json_error

* Remote API: Small fix in /start if empty host config
Merge pull request #1092 from lopter/master

Fix TestGetInfo when there is more than one image in the test repository
Merge pull request #1046 from dotcloud/1043-output_id_non_attach-fix

- Runtime: Make sure the ID is displayed usgin run -d
Bump version to 0.4.8
Rephrase changelog
Merge pull request #1097 from dotcloud/bump_0.4.8

Bump version to 0.4.8
More unit test fixes

- Fix TestGetImagesJSON when there is more than one image in the test
  repository;
- Remove an hardcoded constant use in TestGetImagesByName;
- Wait in a loop in TestKillDifferentUser;
- Use env instead of /usr/bin/env in TestEnv;
- Create a daemon user in contrib/mkimage-unittest.sh.