Added loadOnFocus property
Move loadOnFocus property on preload option
Merge pull request #45 from TiuSh/loadOnFocus-property

Added loadOnFocus property
Released 0.6.2.
Fixed typos & added ES5-shim CDN example.
Fix for mobile webkit focus bug #48.
Released 0.6.3.
Allow the dropdown to be appended to the body (to prevent clipping problems) #47.
Released 0.6.4.
Fix for #49.
Shaved off 2kb for those without gzip.
Released 0.6.5.
Added functional interaction tests.