Initial commit

Signed-off-by: Superbest <arpharazon0@gmail.com>
Added example for Triangular distribution.

Signed-off-by: Superbest <arpharazon0@gmail.com>
Added Triangular distribution.

Signed-off-by: Superbest <arpharazon0@gmail.com>
Added triangular distribution example (this time for real)

Signed-off-by: Superbest <arpharazon0@gmail.com>
Merge pull request #184 from Superbest/triangular-distribution

Triangular distribution
Distributions: cosmetics
Update contributing.md to clarify it is ok not to use real names
Special Functions: inverse of Gamma lower regularized
Tests: typo in test class name ModifiedBesselTests
Distributions: Gamma.InvCDF
ExcelFunctions