sha1 for OpenSSL

I'm not sure if this is still being worked on, I just noticed that it didn't install correctly
Merge pull request #199 from WestleyArgentum/patch-2

sha1 for OpenSSL
bump MathProg suite
Merge branch 'devel' of git://github.com/JuliaLang/METADATA.jl into devel
Added Bayesian probit model and improved tests