Refactor various examples
Clean up references to toolbarEnabled.
Update custom annotation provider example to not trigger main thread checks for the annotation creation.
Fix compile error
Merge branch 'master' of github.com:PSPDFKit/PSPDFKit-Demo
Ensure main thread timer registration.
Update example for new API
Use pspdfkit instance
Migrated to the new resizable view initializer.
Merge branch 'master' into denys/digital-signing-writable-file-fix