Fix for execv() typage error (only strings)

Docker-DCO-1.1-Signed-off-by: Mangled Deutz <olivier@webitup.fr> (github: dmp42)
Merge pull request #414 from dotcloud/next

Fix for execv() typage error (only strings)
Wrap redis calls in try..except blocks in lru module
try..except around redis_conn uses
Bugfix
Make warnings more verbose
namespaces
Fix S3 storage_redirect: true

Docker-DCO-1.1-Signed-off-by: Fernando Mayo <fernando@tutum.co> (github: fermayo)
Fix config handling

Docker-DCO-1.1-Signed-off-by: Sam Alba <sam.alba@gmail.com> (github: samalba)
Merge pull request #424 from dotcloud/hotfix

Fix config handling
Fix test bustage

Standalone config value handling changed which requires this to get back to previous behavior

Docker-DCO-1.1-Signed-off-by: Mangled Deutz <olivier@webitup.fr> (github: dmp42)
Update CHANGELOG.md
Set standalone to true explicitly in config_sample.yml

Setting environment variable STANDALONE to true results in a string
value for cfg.standalone, which fails "cfg.standalone is True" condition.
Merge pull request #436 from bqbn/master

Set standalone to true explicitly in config_sample.yml
Remove non-sensical blindly copy-pasted comment

Docker-DCO-1.1-Signed-off-by: Mangled Deutz <olivier@webitup.fr> (github: dmp42)
Fix #401

Docker-DCO-1.1-Signed-off-by: Mangled Deutz <olivier@webitup.fr> (github: dmp42)
Tentative fix for lru cache config

Docker-DCO-1.1-Signed-off-by: Mangled Deutz <olivier@webitup.fr> (github: dmp42)
Backport CHANGELOG and bump last version link in README

Docker-DCO-1.1-Signed-off-by: Mangled Deutz <olivier@webitup.fr> (github: dmp42)
Add tests for new config

Docker-DCO-1.1-Signed-off-by: Mangled Deutz <olivier@webitup.fr> (github: dmp42)
New config class

Docker-DCO-1.1-Signed-off-by: Mangled Deutz <olivier@webitup.fr> (github: dmp42)