Ganit Labs, Bio-IT Centre, Institute of Bioinformatics and Applied Biotechnology, Biotech Park, Electronic City Phase I, Bangalore 560100, India. binay@ganitlabs.in.|Ganit Labs, Bio-IT Centre, Institute of Bioinformatics and Applied Biotechnology, Biotech Park, Electronic City Phase I, Bangalore 560100, India. binay@ganitlabs.in.|R&D, Unister GmbH, Leipzig, Germany. andreas.both@unister.de.|R&D, Unister GmbH, Leipzig, Germany. andreas.both@unister.de.