Create README.md

Added a README
Deleting .DS_Store
Improved graphics on the dashboard.

Added icons to the dashboard. Still requires information updates.
Disabled Back button when on the first question
Fixed recording of number of samples complete
Added samplesCompletedToday to the dashboard.

Empty star is shown for 0 responses.
Half star is shown for 1 response.
Full star is shown for 2 responses.
Added boolean question type
Added numResponses and avgResponseTime.

Dashboard now shows the total number of submitted responses and the
average response time.
Added support for numscale questions
Fixed response time message.
Updated to most recent build target.
Added dbconfig.ini to .gitignore