Cherry-picked Stephen's changes - closes #22

- Had to resolve some conflicts manually
Edited Activity Creation/Modification UI

Removed list of activity management fields from UI mockup and referenced appropriate section from requirements. Added activity details "activity description" and "test input and output files", where appropriate.
Style formatted the test-suite section

formatted as per markus' style spec
Merge pull request #23 from graemesmth/patch-3

Edited Activity Creation/Modification UI
Reprioritized some functional requirements

Not entirely sure if Test Code Assignments should be priority 2 or 3.  It's fairly important to the final product, but will probably require a lot of work.
Merge pull request #24 from Contramalgra/patch-4

Reprioritized some functional requirements
added photo
Removed Muffin Man template from Spec

- Since enough data has been entered already and by this point everyone
  is familiar with LaTeX, this template isn't needed anymore.
Trimmed down Marking UI section to match accepted format
Altered Revision history - closes #25
Jazzed up the Revision History
Merge pull request #26 from itpun/master

Added Ian's photo for the Planning Document
Merge branch 'master' of github.com:Donnervoegel/java