Adding podspec for IgaworksAD 3.2.1.
"FRAMEWORK NOT FOUND METAL FOR ARCHITECTURE ARMV7"(http://www.appsee.com/blog/dev/xcode-new-link-frameworks-automatically-fix-framework-not-found-metal-for-architecture-armv7)
 이슈 해결을 위하여 Build Setting -> LINK FRAMEWORKS AUTOMATICALLY = NO로 설정 변경하여 build.