add support for building/installing Mothur
use correct MPI C++ compiler command
Merge branch 'develop' into Mothur
whitespace fixes
fix remark
Merge pull request #206 from boegel/Mothur

add support for Mothur
update release notes, bump version to v1.5.0
fix typo
Merge pull request #211 from boegel/v1.5.x

update release notes, bump version to v1.5.0
bump version to v1.6.0dev