removed ninja-ide file
did major refactor, not tested
renamed test file
bugs in barcodesplitter.py fixed, tests pass
bugs in qualstats.py fixed, now passes
refactored test/test_pyNGSQC.py
bugs in qualfilter.py fixed, now passes
bugs in qualtrimmer.py fixed, now passes
bugs in collapser.py fixed, now passes
bugs in converter.py fixed, now passes
removed debug prints from pyngsqc/collapser.py
moved sub-calls to main event loop in pyngsqc/qualstats.py
added travisci config
removed unnecessary __init__.py from tests directory