* added new package: smpeg2
* added release candidates for sdl2

* these packages can be installed next to sdl1.x
* update checksum to latest release candidate
* smepg2 now got its own package
* also remove -XCClinker from sdl2-config

* thanks Schrober
* added sdl2_ttf
* added sdl2_net
* fixed win64 sdl compile errors with mingw64 - thanks to Franz Schrober

* this should go upstream
Merge branch 'master' of https://github.com/mgerhardy/mxe into mgerhardy-master

Conflicts:
	index.html
* updated checksums for the latest release candidates