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
fix 1527, more tests
changed tests for Python < 2.7 compatibility
fixes #1538 only one apphook works per installation
more rigorous tests; fixed bug; rationalised methods
remove whitespace
changes some assertItemEquals to assertSequenceEquals for Python 2.6
changes some assertItemEquals to assertSequenceEquals for Python 2.6
Merge branch 'develop' into multidb_test

Conflicts:
	cms/signals.py
	cms/tests/page.py