Merge pull request #9 from collective/fixpluginpath

explicit setting of the plugin path as sometimes browser can get confused.
Merge pull request #12 from collective/ie_fullscreen

enable fullscreen on older browsers.
instructions were wrong regarding package to install

see http://stackoverflow.com/questions/9477115/who-can-tell-me-the-difference-and-relation-between-ffmpeg-libav-and-avconv. Should really support both?
bug preventing swf fallback from working
Merge branch 'master' of github.com:collective/wildcard.media into ie_fullscreen
correct apt package is libav-tools
updated changes