add fluidvids plugin
https://github.com/toddmotto/fluidvids
remove iframe styles
Merge branch 'master' of github.com:cargomedia/cargomedia.github.io into issue-41

Conflicts:
	_layouts/default.html
re-add fluidvids plugin
Merge pull request #41 from christopheschwyzer/issue-41

fix video embedding