Project structure refactor:

- Change package name general_server to gateway
- Changing the structure of directories and packages
- Adding vendor to the project

vendor/github.com/yuin/gopher-lua/package.go

@@ -0,0 +1,7 @@
+// GopherLua: VM and compiler for Lua in Go
+package lua
+
+const PackageName = "GopherLua"
+const PackageVersion = "0.1"
+const PackageAuthors = "Yusuke Inuzuka"
+const PackageCopyRight = PackageName + " " + PackageVersion + " Copyright (C) 2015 -2017 " + PackageAuthors