add easyconfig for WPS 3.5 + libpng/CMake update
add easyconfig for matplotlib 1.3.0 + freetype/libpng (with custom zlib version for compatibility with Python)
fix freetype dep version in matplotlib
remove troublesome freetype easyconfig
add easyconfig for scikit-learn
fix remark, get rid of useless line
Merge branch 'develop' into wps35
use templating for name/version in sources spec
Merge pull request #425 from boegel/wps35

add easyconfig for WPS 3.5 + libpng/CMake update
Merge branch 'develop' into adding_WRF3.5.1_goolf