Updated documentation, esp. conclusion.md, and fixed add_handler, STDOUT, current_module()#137

Open

phyatt-corp wants to merge 3 commits intoinvenia:masterfrom Conning:master

+76-52

Commits on Nov 6, 2019

Fixed the conclusion example to work with Jula 1.x
phyatt-corp
committed
Replaced add_handler with push and dropped the name argument.
phyatt-corp
committed
Fixed contributing.md, added using Pkg and compiled-modules=no and
phyatt-corp
committed