add some patches

patches/Diff-0.4.0.patch

patches/classy-prelude-1.5.0.patch

patches/hslogger-1.3.1.0.patch

patches/http2-3.0.2.patch

patches/language-javascript-0.7.1.0.patch

patches/optics-th-0.4.patch

patches/persistent-2.13.0.3.patch

patches/relude-1.0.0.1.patch

patches/snap-core-1.0.4.2.patch

patches/snap-server-1.1.2.0.patch

patches/swagger2-2.6.patch

patches/wai-app-static-3.1.7.2.patch

patches/xlsx-0.8.4.patch

patches/yesod-1.6.1.1.patch