Update Tools.md documentation
Update Tools.md documentation

Changes:
   - Markup language fixes and formating.

Resolves  openbmc/openbmc-test-automation#1390

Change-Id: I731050fa93f23eb69f94cc4d879e816b5ddb12ab
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation