more refactor/cleanup of streams; exposed method through AKU to check if default framebuffer clear color is opaque
added checks for stream set cursor
Merge pull request #1014 from patrickmeehan/develop

More streams refactor
added sdk packaging util to moaiutil
Merge pull request #1015 from patrickmeehan/develop

added sdk packaging util to moaiutil
fixed linker error on Moai.xcodeproj
Merge branch 'develop' into projects-1.6
linux and gradle host utils. Add missing callfunc to aku_modules_util.cpp