Horton-1.1.0, YAFF-1.0 and dependencies

second attempt ...

original PR was #381 (which targeted `master` branch)

These are some ebconfigs for codes we developed and their dependencies. I've tested all of these. There is one config that requires a new easyblock. The corresponding pull request is on the way...

edit: depends on https://github.com/hpcugent/easybuild-easyblocks/pull/236