Add responsive width back

Added responsive width back. Closes #16

v3.0.5 - [bugfix] IE<10 dataset patch, border fix

• [BUGFIX] backport id, width, and height data-attribute specification to work with IE<10
• [BUGFIX] use CSS border property for borders instead of outline (note, will change aspect ratio if frameBorder enabled)

v3.0.4 - [feature] Add frameColor, frameBorder, xBorder

Added options for iframe background color frameColor, iframe border frameBorder, close button border xBorder

v3.0.3 - [bugfix] Id initialization fix

Found significant bug while adding bare iframe feature. Corrected that bug which prevented initialization on element by id. Also added the feature ;)

v3.0.0

Complete re-write, native API as well as jQuery, using interactive iframe API's for Youtube and Vimeo, adds autoclose and peek options.