Document max_tries=-1 behavior for KazooRetry

Signed-off-by: Raul Gutierrez S <rgs@itevenworks.net>
Use shutdown() instead of close() to simulate disconnects

Signed-off-by: Raul Gutierrez S <rgs@itevenworks.net>
Merge pull request #194 from rgs1/fix-testing-disconnects

Use shutdown() instead of close() to simulate disconnects
Merge pull request #193 from rgs1/document-infinite-retries

Document max_tries=-1 behavior for KazooRetry
prepare release
vb
Add lost colon
Merge pull request #204 from rocco66/master

Add lost colon
Add lease recipe.