Merge pull request #313 from evilpie/includes

test/built-ins/Math/acosh/acosh-descriptor.js

test/built-ins/Math/asinh/asinh-descriptor.js

test/built-ins/Math/atanh/atanh-descriptor.js

test/built-ins/Math/cbrt/cbrt-descriptor.js

test/built-ins/Math/cosh/cosh-descriptor.js

test/built-ins/Math/expm1/expm1-descriptor.js

test/built-ins/Math/hypot/hypot-descriptor.js

test/built-ins/Math/imul/imul-descriptor.js

test/built-ins/Math/log10/Log10-descriptor.js

test/built-ins/Math/log1p/Log1p-descriptor.js

test/built-ins/Math/log2/log2-descriptor.js

test/built-ins/Math/sign/sign-descriptor.js

test/built-ins/Math/sinh/sinh-descriptor.js

test/built-ins/Math/tanh/tanh-descriptor.js

test/built-ins/Math/trunc/trunc-descriptor.js