Merge pull request #104 from guillermo-carrasco/master

Fix overwriting of some FACS results
eschColi vs dm3 for accuracy comparisons
Self on testsuite
This fixes issues #68 and #81
Append newly generated reads, not truncate
Merge pull request #107 from brainstorm/master

Generation of 6000 reads to perform accuracy tests
Generate another accuracy dataset. The last one, 100vs400 was not appended but overwritten.
Cleanup notebook, recompute with more data. Add first accuracy graph 100vs400 simNGS reads
Second accuracy plot, FACS and Fastq_screen are very much alike
Merge pull request #108 from brainstorm/master

Accuracy plots
Need to know the exact number of reads for accuracy graph
Upgrade fastq_screen version, go through all headers
Regenerate data files anyway
Merge pull request #110 from brainstorm/master

Upgrade to fastq_screen 0.4.2 and preparations for precision and recall graphs