Regenerated gemspec for version 1.3.3

Regenerated gemspec for version 1.3.2

v1.3.1: Compatibility with Rails 3.0: swf_tag now outputs html_safe c…

…ontent.

Updated to SWFObject v2.2

Change should not be noticeable to users, except compatibility improvements and better auto install.
Added the option +switch_off_auto_hide_show+.

v1.2.0, with better handling of flashvars (see CHANGELOG)

Improved the way to specify alternate content

Improved javascript initialization