iGoat Version 3.0 Release

1. Updated SQLCipher to latest version
2. Removed project specific compilation warnings
3. Removed crashing code for server side exercises.
4. Updated project details in project github page.
5. Added multiple exercises including:
   • Broken Cryptography
   • Insecure Storage in Plist
   • Insecure Storage in NSUserDefaults
   • Side Channel Data Leaks via Device Logs
   • Cross Site Scripting