Updated to latest LuaInterface

I ported the project to work with LuaInterface 2.0.3 as I needed the
latest version for a project of mine. Unfortunately the official
LuaInterface 2.0.3 build has problems with Mono so I used this port:
https://github.com/stevedonovan/MonoLuaInterface
Better way to locate pdb2mdb, and use the bleeding edge version
(cherry picked from commit 7b4f3924730a86b087be93f38b4d5778b6742721)
rename README.txt to README.md
(cherry picked from commit b43dd8042869b8f84ad8def3a177a6bb8cea34a7)
Updated README

(cherry picked from commit d700d3b37f9d0012c33c18749cfee11ecdd3e5d5)

Conflicts:

	README.md
publish script creates ver files and includes copyrights in the target folde
(cherry picked from commit f80f07dbbc5c7646763591ebb144c3e282ce6e90)
Fix for get_method_bysig with ref/out parameters; new KopiLua

(cherry picked from commit 4c2c60fc39c91a8302fe0c310cb141303a83546a)

Conflicts:

	KopiLua
	KopiLuaInterface/src/ObjectTranslator.cs
Add test for 'out' and 'ref' handling in luanet.get_method_bysig

(cherry picked from commit e65b07af1ad4601a59dbce405f7f6b61566ba171)

Conflicts:

	SimpleTest/Program.cs
SimpleTest prompts for Enter at end

(cherry picked from commit ce6c976418806afc3e27342c65f904953b6fdc43)

Conflicts:

	SimpleTest/Program.cs
Merge branch 'medsouz_master' into master