fixed: add tinyxml-dev dependency to the dev package
fixed: link against deps
find xbmc to pick up arch defines
install pkgconfig/cmake files to proper directories on redhat
[WIN32] fixed FindTinyXML.cmake for windows (expects the tinyxml libs in the build directory).
[WIN32] fixed CMakeLists.txt to compile and pack the xbmcplatform lib.
[WIN32] added buildsteps to prepare the environment and build the platform lib