AAL/Python: AssertionError causes test to fail, not an error

Cleaned up framework code (remote_python, aalmodel.py) from
tracebacks. Full tracebacks are available when running remote_python
in the debug mode (-d).
fmbtandroid: added device.pressAppSwitch() method
AAL/Python and tag adapters: unit test added, minor fixes
Merging the first version AAL tag adapter blocks
AAL/Python tests improved
conf: fixed (prevented) sending tags to non-existing adapters
fmbt-editor: generate a working default adapter line to aal
Merge remote-tracking branch '01/devel'
api change for check_tags.
conflicts