modify easyconfig bzip2-1.0.6-foss-2016a.eb, add easyconfig...

modify easyconfig bzip2-1.0.6-foss-2016a.eb, add easyconfig gettext-0.19.6-foss-2016a.eb, add easyconfig GraphicsMagick-1.3.23-foss-2016a.eb, modify easyconfig libjpeg-turbo-1.4.2-foss-2016a.eb, add easyconfig LibTIFF-4.0.6-foss-2016a.eb, modify easyconfig libtool-2.4.6-foss-2016a.eb, modify easyconfig libxml2-2.9.3-foss-2016a.eb, add easyconfig XZ-5.2.2-foss-2016a.eb