creates custom close/open session button for MySessions, not finished though
adds class for new close/open button
implement open button

fning
Makes tables update when open button clicked. bjmcmorran
Merges the open session button with Iteration 5 code. Needs testing - mrracine
Merge pull request #128 from alexbragdon/feature/Iteration-5-dev-open-session-button

Feature/iteration 5 dev open session button