Fix submods job names
Fix reference to GitHub
Merge pull request #636 from sbesson/bf_jobs_renaming

CI jobs renaming: Bio-Formats and release
Adding OMERO 5.1 jobs to CI doc
merge develop -D org -I include -E exclude: PR 626 (Add new Squash tutorial and screenshots)
merge develop -D org -I include -E exclude: PR 637 (Adding OMERO 5.1 jobs to CI doc)