Tentative multi-db testing strategy
Merge branch 'develop' into yakky-feature/multidb_test

Conflicts:
	cms/test_utils/cli.py
	runtests.py
multi db testing
actually use the db env
fixed a lot of tests for mysql
slqite fixed, mysql fixed (except too many queries)
all tests passing on: sqlite, mysql, postgres
django 1.3 and postgres fixes
missed a file
cleanup
cleanup2
using localhost for postgres
fixes #1538 only one apphook works per installation
Merge branch 'develop' into multidb_test

Conflicts:
	cms/signals.py
	cms/tests/page.py
fixed signals
Improve loading of the title cache, and keep ordering in menus when using fallback.
Use the correct site when checking for permitted languages.
Fix some minor issues.
Better comment and reverted unrelated changes.
Merge remote branch 'upstream/develop' into bugfix-stability