Lua: Travis tweaks

tests/RunCi.hx

@@ -437,14 +437,14 @@ class RunCi {
 	}
 
 	static function getLuaDependencies(jit = false, lua_version = "lua5.2", luarocks_version = "2.3.0") {
-		var build_dir = Sys.getEnv("TRAVIS_BUILD_DIR");
-		changeDirectory(build_dir);
-
 		var home_dir = Sys.getEnv("HOME");
 		// the lua paths created by the setup script.
-		addToPATH('$build_dir/.lua'); 
+		addToPATH('$home_dir/.lua'); 
 		addToPATH('$home_dir/.local/bin'); 
-		addToPATH('$build_dir/install/luarocks/bin'); 
+		addToPATH('$home_dir/install/luarocks/bin'); 
+
+		var build_dir = Sys.getEnv("TRAVIS_BUILD_DIR");
+		changeDirectory(build_dir);
 
 		if (jit) Sys.putEnv("LUAJIT","yes");
 		Sys.putEnv("LUAROCKS", luarocks_version);