Fixes

• Fix the unused user header search path warning for CocoaPods 1.6.0.#2622
• Fix that WebP with custom ICC Profile will randomly crash, becauseCGColorSpaceCreateWithICCProfile does not copy the ICC data pointer#2621
• Fix the issue when WebP contains the ICC Profile with colorSpace other than RGB, which cause the CGImageCreate failed#2627

Project

• Update the libwebp dependency to support using 1.0 version and above#2625

Performances

• Nil imageData before decode process to free memory#2624