Merged my changes into the existing crontab doc
Broke up long lines
Attempted to match line breaks from upstream
Adding my name to the contributions file
Update shell_tools_101.rst

Include df, du, find, and ls in the list of commands for working with your system.
Update meta/contributions.rst

Added self to list of contributors.
Update meta/contributions.rst

Added my email (jdm@dea-mattson.com).
Merge pull request #1 from jordandm/patch-1

Update shell_tools_101.rst commands included to include cut, df, du, find, ls, and sort
Update shell_tools_101.rst

Fix formatting for sort section.
Update shell_tools_101.rst

Fix sort formatting.
Update shell_tools_101.rst
Update shell_tools_101.rst

Fix command heading formatting.
adds initial content to databases_101, rough
Merge pull request #53 from jordandm/master

Added self to contributors; various fixes.
Removed section on role of sysadmin in org and incorporated it into what SA isnt, cleaned up todos
Merge pull request #55 from patcable/sa101

What System Admin isn't
Restructuring: Moving backups under Business Continuity Planning, and added disaster recovery, outages and postmortems
updating index.rst
adding titles to the new files
New branch, re-commit: Updated several sections I had TODOs to complete and reshaped some earlier content. Removed the fancier terminal colors block as I think that's more advanced than 101v content. Added Avleen's previous spellchecks too.