Tidying script docs & using git links
Simplifying git link
Mark's suggestions
Further editing of GitHub app ref
Merge pull request #558 from hflynn/scripting

Tidying script docs & using git links
Remove duplicate entries for "blitz" component.

The same item is listed twice in the list of what is in a binary
distribution of OMERO.
Merge pull request #564 from jballanc/rebased/develop/dedup_build_components

Remove duplicate entries for "blitz" component. (rebased onto develop)