add easyconfig mympingpong-0.7.0-intel-2015b-Python-2.7.10.eb, add easyconfig...

add easyconfig mympingpong-0.7.0-intel-2015b-Python-2.7.10.eb, add easyconfig matplotlib-1.5.1-intel-2015b-Python-2.7.10.eb, add easyconfig freetype-2.6.2-intel-2015b.eb, add easyconfig libpng-1.6.21-intel-2015b.eb