tests: delete old tests script, move the tests in it .tst file
tests: new octsympy_tests command

Easier to read the output, logging etc, based on code from Octave
update NEWS file
travis fix for test suite name change
matlab tests: better output, show dots for each test
make packages code cleanup
Merge pull request #119 from cbm755/ci_tests

update NEWS, reorganizing tests, other fixes