Reformatting& rewording Homebrew guide description
adding commands to unset session engine
Making Ubuntu section bullet point
Merge pull request #1 from hflynn/install-cleanup

Reformatting and rewording of Homebrew guide description
server-installation: Minor corrections
server-installation: Document unzip packages
server-installation: Replace source install instructions with reference
reformatting note box
server-installation: Replace alternate with alternative
Merge pull request #715 from rleigh-dundee/install-cleanup

sysadmins: Merge installation sections
Merge pull request #717 from aleksandra-tarkowska/session_engine_update

Session engine update
updating omeroweb console output
Fix whitespace
Rework warning boxes

The number of warning boxes was becoming somewhat
overwhelming. Before adding another one, I restructured
the intro to allow an entire "prep checklist".
Add search re-indexing item
Alphabetize checklist
Add win-config section
simplify wording for search re-index
Merge pull request #719 from joshmoore/5.0.1-upgrade

5.0.1 upgrade additions.
merge dev_5_0 -D org: PR 708 (Updating CL importer naming argument docs)