Publicly expose a reload method so another object can force it.
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Merge pull request #20 from RomainBoulay/dev/publicly_expose_reload

Publicly expose a reload method
Complements documentation
Adds 500px example for the 'Applications' same
Fixes issue with the button still being displayed and interactive while no content was assigned to it. Fixes #21
Code refactoring
Fixes minor issues with the button not being displayed
Adds WWDC example to the 'Applications' sample project
Adds 2 lines support for titles
Adds Remote example to 'Applications' sample project
Adds Podcasts & iTuneConnect examples to 'Applications' sample project
Fixes crash on the 'Applications' sample project
Make delegate and data source visible in Interface Builder

Although UIScrollView .delegate etc. are visible in Interface Builder without the IBOutlet attribute, custom properties still need it, thus in order for the empty state to be completely configurable in Interface Builder the two properties need the attributes. 

This will become especially handy when separating the empty state handling into a separate NSObject subclass that can be reused between controllers, in which case the latter does not want/need a direct connection to the UIScrollView it is providing the empty state for, or it might even provide the empty state for multiple at a time.
Merge pull request #22 from henrinormak/master

Make delegate and data source visible in Interface Builder
Adding delegate method for when empty data set view appears/disappears
Merge pull request #23 from mrbaker4/master

Adding delegate method for when empty data set view appears/disappears
Refactors the way appear/disappear code was implemented by @mrbaker4
Code re-ordering
Updated README with new badges