Further updated Markus' sections

Added a few more functional requirements to better differentiate
requirements in the Instructor section. Also updated my UI spec to
be in a table form. Usable as a template if needed.
Merge pull request #57 from mabalaski/master

Further updated Markus' sections
Added use case diagram

Use case diagram added, missing the functional requirement
numbers, colin and I will add it later, please take a look as
some of you will be writing summaries for all of the use cases
in this diagram
Update usefulLinks.md

Please check your section of the document.
Added template for Deliverable 5 work
Finished revision history for Project Spec