Change makefile to use preexisting setup scripts for docker and add new ones

makefile

@@ -1,11 +1,20 @@
 install:
-	./install.sh
+#	Install opam and dependencies	
+	scripts/install_build_environment.sh
+#	Install ligo/tezos specific system-level dependencies
+	scripts/install_native_dependencies.sh
 
 build-deps:
-	./build-deps.sh
+#	Create opam dev switch locally for use with Ligo, add merlin/etc
+	scripts/create_dev_switch.sh
+#	Set up the local ligo opam repository so that it can be built
+	scripts/setup_ligo_opam_repository.sh
+#	Install OCaml build dependencies for Ligo
+	scripts/install_ligo_with_dependencies.sh
 
 build: build-deps
-	./build.sh
+#	Build Ligo for local dev use
+	scripts/build_ligo_local.sh
 
 test: build
 	eval $(opam env)

scripts/build_ligo_local.sh

@@ -0,0 +1,2 @@
+eval $(opam env)
+dune build -p ligo

scripts/setup_dev_switch.sh

@@ -0,0 +1,4 @@
+opam switch create . ocaml-base-compiler.4.06.1
+eval $(opam env)
+opam install -y ocp-indent merlin alcotest-lwt crowbar
+opam -y user-setup install