Add grunt-jquery-json package and add validatee jquery JSON plugin package file.
Fix spelling error in package file
Ensure we focus the tooltip regardless of if the state changed or not when toggling.
Grunt 0.4, add imagesloaded dependancy and bump required jQuery to 1.5

Grunt 0.4 is now used for the build system, with many changes to the core
Gruntfile and required contrib modules.

Removed custom imagesLoaded method and added imagesLoaded library
dependancy instead. Deferreds are now handled much better and can be
used for both content.text and content.title options.

Updated package.json and qTip2.jquery.json file
Re-add basic grunt task and add new all task
Fix calculateSize error that caused tips to have wrong dimensions
Update README.md
Merge pull request #3 from Craga89/master

Update to latest version