Merge pull request #301 from leandromoreira/patch-1

adds information about how to run the tests
Added html_img playback for images.
Removed unused template.
Removed unused referenced to template.
Merge pull request #304 from ronag/master

Added html_img playback for images.
CONTRIBUTORS: add @ronag
bump to 0.0.73
html5_video: fix poster behavior on safari (fix #298)
bump to 0.0.74
update CONTRIBUTORS, add @leandromoreira, @Crash-- and @seanhussey
unifies volume changes in a method

adds localStorage support check

adds support to persist volume

persists and restore volume from localStorage

refactors to js stylish

persists sanitized volume

unifies volume changes in a method

adds localStorage support check

persists and restore volume from localStorage

persists sanitized volume