remove brian_no_units mechanism
Use assert_equal for more helpful error messages
Use functools.wrap for functions but not for methods
remove left-over variable
Make all unit checking methods aware of the unit_checking property
code formatting and documentation changes
remove obsolete FIXME comments
add a few tests
rename display_in_unit to in_unit (to be consistent with the method
name)
improve quantities string conversion a bit (no display of "array(..)"
for scalars, additional precision argument for in_unit and in_best_unit)
add precision argument also to in_unit function and add a new
in_best_unit function
delete obsolete brian_units_prefs.py
do not require matplotlib for now as it is not yet needed and takes a long time to build when running the testsuite on travis
Merge pull request #3 from brian-team/units_polish

Polishing up the units mechanism a bit