Build: Portable project now using wildcards to catch all files - no more need for manual update
Build: No longer impersonate System.Numerics to avoid conflicts; introduce new build flags for more flexible config: NOSYSNUMERICS, NATIVEMKL
Tests: Add test for Brent and Bisection.

Add test case Oneeq1
(http://www.polymath-software.com/library/nle/Oneeq1.htm) for Brent and
Bisection.
Add test for Brent and Bisection. Fix termination condition of Bisection.FindRoot.

Add test case Oneeq2a
(http://www.polymath-software.com/library/nle/Oneeq2a.htm) for Brent and
Bisection.
Fix termination condition of Bisection.FindRoot (new test case results
in infinite loop otherwise).
RootFinding: add pure newton-raphson (in addition to existing robust one)
RootFinding: applying common pattern also to bisection algorithm
RootFinding: default values, newton-raphson initial guess optional (separate function)
RootFinding: Add bisection and non-robust newton raphson to F# module
RootFinding: add very basic F# unit tests
Update release notes and contributors