Save sec/min/hour/day in countDown rather than recalculating each time calculateTimeRemaining is called
Save now in countDown rather than getting current time each time calculateTimeRemaining is called
Fix inconsistent return points in calculateTimeRemaining.
Allow plugin to be used in a jquery chain
Wrap plugin in jQuery Closure so we can use the familiar $ in our plugin.
Change how we deal with passed options. New method allows the default options to be overridden out side the plugin by $.fn.countDown.defaultOptions = ...
Update example.html to use new option layout
Correct how defaults set and override
Update example.html to show an example of overriding defaults
Update README.md file to show new option syntax.
Allow first arg to be a string or object. If string use as date.
If passed empty arguments then attempt to get time from targeted element.
Reuse text variables
Merge pull request #3 from l3rady/sc-improvements

Improvements