replace ellipses in user docs
replace ellipses in sysadmin docs

Conflicts:
	omero/sysadmins/server-tables.txt
	omero/sysadmins/unix/install-web.txt
replace ellipses in developer docs
replace ellipses in format docs

Conflicts:
	formats/schemas/index.txt
Merge pull request #525 from mtbc/ellipses

use Unicode ellipses (rebased)