Project structure refactor:

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

vendor/gopkg.in/ini.v1/Makefile

@@ -0,0 +1,15 @@
+.PHONY: build test bench vet coverage
+
+build: vet bench
+
+test:
+	go test -v -cover -race
+
+bench:
+	go test -v -cover -test.bench=. -test.benchmem
+
+vet:
+	go vet
+
+coverage:
+	go test -coverprofile=c.out && go tool cover -html=c.out && rm c.out