Tweak www/nginx version 1.4.2,1
Tweak devel/llvm version 3.2_3
Tweak audio/libofa version 0.9.3_8
Tweak devel/omniORB version 4.1.6
Tweak databases/p5-DBD-Mock version 1.45
Tweak math/p5-Math-Vec version 1.01
Update devel/py-boto to version 2.13.0