Fix : Not work if we include jquery.cookies plugin

If you use jquery.cookie in your code but not in PeriodicalUpdater settings, periodicalUpdater isn't launched.
Merge pull request #31 from cdesaintleger/patch-1

Fix : Not work if we include jquery.cookies plugin
Add the maxCallsCallback
Make getData into a variable, not a declared function
Can't load directly from GitHub
Merge pull request #1 from RobertFischer/master

Import upstream