Tweak graphics/jpeg version 8_4
Update graphics/png to version 1.5.14
Update dns/libidn to version 1.26
Update devel/libffi to version 3.0.11
Tweak x11/pixman version 0.24.2
Update devel/libcheck to version 0.9.9
Update textproc/clucene to version 2.3.3.4