Add premake solution generation for third party projects for now only

thirdparty/salsa20.lua

@@ -0,0 +1,34 @@
+salsa20 = {}
+
+function salsa20:include()
+	includedirs {
+		path.join(ThirdPartyFolder(), "salsa20")
+	}
+end
+
+function salsa20:link()
+	self:include()
+	links {
+		"salsa20"
+	}
+end
+
+function salsa20:project()
+	local folder = ThirdPartyFolder();
+
+	project "salsa20"
+        targetdir(TargetDirectoryLib)
+		location "%{wks.location}/thirdparty"
+		kind "StaticLib"
+		language "C"
+		
+		files { 
+			path.join(folder, "salsa20/*.h"), 
+			path.join(folder, "salsa20/*.c") 
+		}
+		
+		self:include()
+
+		-- Disable warnings. They do not have any value to us since it is not our code.
+		warnings "off"
+end