Update devel/opencl to version 1.2_6
Tweak net/libnet version 1.1.6_1,1
Tweak textproc/aspell version 0.60.6.1_3
Update devel/p5-Module-Build to version 0.4200
Tweak net/libnet10 version 1.0.2a_5,1
Tweak lang/python27 version 2.7.5_4