Added dummy photo to be used in tests.
Merge branch 'master' of https://github.com/chartjes/opencfp
Clarified what should be entered for Airport.
Add note about creating complete profile.
Update content to highlight submission of multiple talks is desired.
Altered sponsor checkbox layout, and added desired talk checkbox.
Fixed label target.
Merge pull request #88 from sunshinephp/master

Usability updates.