Roll back changes made since 0.3.3 which was last known working version, move C libs around to get working in Pods 0.39 space, add Swift example, add Objective-C example, move tests and ensure they pass

ObjectiveCExample/ObjectiveCExampleTests/CollectingDelegate.h

@@ -0,0 +1,9 @@
+#import <Foundation/Foundation.h>
+#import <SSZipArchive/SSZipArchive.h>
+
+/**
+ * Test delegate by collecting its calls
+ */
+@interface CollectingDelegate : NSObject <SSZipArchiveDelegate>
+@property(nonatomic, retain) NSMutableArray *files;
+@end