Only enqueue script in admin
Don't use call_user_func_array with only one parameter (fixes #2)
Output a newline before script tags
Added wordpress.org readme.txt
Make WP_InstantClick::get_url() public, so modules can use it
Added admin page for adding extra scripts, setting when to preload and which scripts to exclude
Updated readme
Tidy up and version bump for release to WP.org
Merge branch 'develop'