Fix array declarations so GCC doesn't warn about them.
Declare constants in headers so they can be used by UDT's larger than type long double.
Suppress a few warnings and fix a couple of bugs that showed up when testing with UDT's.
[SVN r75960]
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]
