Update version, CI and Cowlib dependency version

Hello 2.0.0!

Makefile

@@ -2,7 +2,7 @@
 
 PROJECT = cowboy
 PROJECT_DESCRIPTION = Small, fast, modern HTTP server.
-PROJECT_VERSION = 2.0.0-rc.4
+PROJECT_VERSION = 2.0.0
 PROJECT_REGISTERED = cowboy_clock
 
 # Options.
@@ -11,7 +11,7 @@ COMPILE_FIRST = cowboy_middleware cowboy_stream cowboy_sub_protocol
 PLT_APPS = public_key ssl
 CT_OPTS += -ct_hooks cowboy_ct_hook [] # -boot start_sasl
 
-CI_OTP ?= OTP-19.0.7 OTP-19.1.6 OTP-19.2.3 OTP-19.3.6.2 OTP-20.0.5 OTP-20.1
+CI_OTP ?= OTP-19.0.7 OTP-19.1.6 OTP-19.2.3 OTP-19.3.6.2 OTP-20.0.5 OTP-20.1.1
 CI_HIPE ?= $(lastword $(CI_OTP))
 # CI_ERLLVM ?= $(CI_HIPE)
 
@@ -20,7 +20,7 @@ CI_HIPE ?= $(lastword $(CI_OTP))
 LOCAL_DEPS = crypto
 
 DEPS = cowlib ranch
-dep_cowlib = git https://github.com/ninenines/cowlib 2.0.0-rc.1
+dep_cowlib = git https://github.com/ninenines/cowlib 2.0.0
 dep_ranch = git https://github.com/ninenines/ranch 1.4.0
 
 DOC_DEPS = asciideck

ebin/cowboy.app

@@ -1,6 +1,6 @@
 {application, 'cowboy', [
 	{description, "Small, fast, modern HTTP server."},
-	{vsn, "2.0.0-rc.4"},
+	{vsn, "2.0.0"},
 	{modules, ['cowboy','cowboy_app','cowboy_bstr','cowboy_children','cowboy_clear','cowboy_clock','cowboy_compress_h','cowboy_constraints','cowboy_handler','cowboy_http','cowboy_http2','cowboy_iolists','cowboy_loop','cowboy_middleware','cowboy_req','cowboy_rest','cowboy_router','cowboy_static','cowboy_stream','cowboy_stream_h','cowboy_sub_protocol','cowboy_sup','cowboy_tls','cowboy_websocket']},
 	{registered, [cowboy_sup,cowboy_clock]},
 	{applications, [kernel,stdlib,crypto,cowlib,ranch]},

rebar.config

@@ -1,4 +1,4 @@
 {deps, [
-{cowlib,".*",{git,"https://github.com/ninenines/cowlib","2.0.0-rc.1"}},{ranch,".*",{git,"https://github.com/ninenines/ranch","1.4.0"}}
+{cowlib,".*",{git,"https://github.com/ninenines/cowlib","2.0.0"}},{ranch,".*",{git,"https://github.com/ninenines/ranch","1.4.0"}}
 ]}.
 {erl_opts, [debug_info,warn_export_vars,warn_shadow_vars,warn_obsolete_guard,warn_export_all,warn_missing_spec,warn_untyped_record]}.