Push compressed image (zalando#318)

it was forgotten during debugging

Added logic to remove circular links (zalando#306)

Update retry policy in the callback_role.py (zalando#291)

The new strategy is - never give up until the job is done. Patroni will cancel the callback script when it would be necessary.

Execute pg_upgrade after custom bootstrap if major version doesn't ma…

…tch (zalando#282)

Before doing the actual call of `pg_upgrade`, the `maybe_pg_upgrade.py` script starts the old postgres binary, waits until `pg_is_in_recovery()` starts returning `False` and does a clean shutdown.

Bump patroni commit id (zalando#246)

it contains bugfix related to postgres 9.3

Bump patroni commit id (zalando#246)

it contains bugfix related to postgres 9.3

Bump patroni commit id (zalando#246)

it contains bugfix related to postgres 9.3

Bump patroni commit id (zalando#246)

it contains bugfix related to postgres 9.3

Bump patroni commit id (zalando#246)

it contains bugfix related to postgres 9.3

Bump patroni commit id (zalando#246)

it contains bugfix related to postgres 9.3