Revert "Revert "add known issue""

This reverts commit e103621f86e09e10b4f661b8a2ee4dde9f7c5603.
add FASTQ multithreaded parsing issue
watch out for those truncated hashfiles
Merge branch 'master' into known-issues
acknowledge new known-issues.txt document
Merge pull request #284 from ged-lab/known-issues

Add known issues