Allow subclasses to use regular SHK forms. It also just doesn't make sense, because tryToSend is what called show because tryToSend returned false.
Allow image shares with facebook to prompt for a caption if the sharing app has not specified one.

Allow the sharing app to provide custom permissions to use during auth.
don't make the caption required
Ensure all for values are recorded even if the cell is not re-used. Also ensure that if there is a default value, that the default is reported as the selected value for a form
Change TextMessage recipients to new standart

* fixes for SHKItem class
Combine Email and SMS
Update Example
divide recepients
Added SHKKippt sharer
Fix to list API call
Add customisable modalPresentationStyle

allows DefaultSHKConfigurator to have modalPresentationStyleForController: overridden with a customisable style for different shares/views
Also allow initialisation of the sharer with its class
item.tags is now array, joined by sharers as needed
Merge branch 'master' of github.com:coryalder/ShareKit
fixed crash when item.tags is nil
Updated localization to reflect new tagging system
	Changed "Tags,Tags" to "Tag, tag"
	When "Tags,Tags" wasn't available I re-directed the "Tags" string to "Tag, tag".
	Everywhere else "Tags" and "Tag (space) Tag" were deleted.
Added tags to the example project, for testing
Cleaned up tweet shortening code in SHKiOS5Twitter

Removed duplicate while loop.
Moved the code that turns a tag array into
	hashtags into its own method.
Fixed typo bug in SHKTumblr
Fixed Flickr sharer splitting tags with spaces

Now strips all non alphanumeric characters from tags.

Can't find an official documentation on which characters are allowed, so this will have to do for now.