update/cleanup README
fix image indent for build statuses
cosmetic changes
moar cosmetic changes
drop title in README
Merge pull request #505 from boegel/README_docs

update/clean up README
an updated samtools easyblock for some changed to the build environment
missed a few files
missing comma caused older versions to break
Merge pull request #512 from rjeschmi/samtools-1.1

Samtools 1.1
Merge branch 'master' into develop
fix links to docs
Merge pull request #516 from boegel/doc_refs

fix documentation references