Merge pull request #15 from jonsimington/style

Update styles
Hide 'Unregister' in sidebar when competition isn't open
Merge pull request #16 from jonsimington/style

Change Register back to button from modal
Merge pull request #17 from jonsimington/style

Add mark paid / eligible buttons to team page
Merge pull request #18 from jonsimington/style

Move QR code to Team Status section
Remove extra table stuff
Merge branch 'jonsimington/style' into develop