Merge branch 'release/3.2' into develop
libusual updated to the latest version (that is already 9 months old)
setup_skytools.py: fixes
skytools.timeutil: fixed for Python versions less than 2.7
Merge branch 'develop' into hotfix/3.2.1
Merge commit 'bbcd65e4e74e705e0cc07a549bda73e37e20012a' into hotfix/3.2.1
skytools.scripting: moved psycopg2 import where it belongs
moved psycopg2 reference from scripting module to actual script using it
v3.2.1
Merge branch 'hotfix/3.2.1' into develop
Merge branch 'hotfix/3.2.1'
Merge branch 'master' of https://github.com/markokr/skytools into hotfix/3.2.2
v3.2.2
Merge branch 'hotfix/3.2.2' into develop
Merge branch 'hotfix/3.2.2'
pgq_node.tables: added foreign key and fixed comments
Merge branch 'master' of https://github.com/markokr/skytools into develop
BaseScript: added log msg about script's normal shutdown
pgq: clean up pgq.consumer when consumer is unregistered

The goal is to leave no "garbage" that accumulates over time.
londiste.handlers.dispatch: improved ignoring of events aiming at obsolete partitions

Partition is never created if it is already known to be obsolete (and so to be dropped).