MPFR Support.
New distributions: laplace, logistic and hypergeometric.
Added PCH support to the Jamfiles for faster build times.
Added C# usage example.
Updated and regenerated docs.
Also fixes#2799 and updates the tests to catch this failure in future.
[SVN r51455]
New special functions for truncation and rounding, plus exponential integrals and zeta.
New non central distributions.
Updated equation png's so that they are all consistent.
[SVN r44091]
Added first cut of the non-central chi squared distribution.
Removed almost all occurrences of real_cast: replaced with calls to the truncation/rounding functions instead.
[SVN r42744]
