First pass at adding support for standard sharing panel.
First pass at Italian localization.
Remove unneeded string from the loading activity view.
Add some string localizations that were missed.
Removing pre-existing "Email as..." options now that they are offered through UIDocumentInteractionController.
Change folder for temporary file exports from a folder within NSHomeDirectory to NSTemporaryDirectory.
Add support for localization in xibs that require it.
Add support for localizing strings in plists.
Don't expand the fill segment control (to accommodate languages with longer text than English).
Localize default drawing name prefix.
Localize blend mode name.
Add more Italian localizations.
Latest string changes.
More string updates.
Fix issues with page orientation and unit localization.
Caught a few more places where unit abbreviations need to be localized.
Merge pull request #29 from alistairmcmillan/AddingUIDocumentInteractionController

Adding support for standard sharing panel for Issue #19
Minor header cleanup.
Latest string changes.
Add support for localizing in-app Help. Add Italian Help localizaton.