Merge branch 'release/4' into stable
Merge branch 'release/5' into stable

Conflicts:
	external/ELHASO-mac-snippets
Improves title of release steps to identify document.
Updates version numbers for v6 release. Refs #47.
Updates seohtracker logic submodule. Refs #47.
Documents nag producing screenshots. Refs #47.
Updates screenshots for v6 release. Refs #47.
Adds step to keep original archives. Refs #47.
Merge branch 'release/6' into stable
Merge branch 'release/6'
Documents task in changes log. Refs #34 and #47.
Bumps version number for hotfix v6.0. Refs #47.
Merge branch 'hotfix/6.0'
Bumps version numbers for development version. Refs #47.