Bump to v4.2.0

Author: deadtrickster

README.md

@@ -4,7 +4,7 @@
 
 Copyright (c) 2016,2017 Ilya Khaprov <<[email protected]>>.
 
-__Version:__ 4.1.0
+__Version:__ 4.2.0
 
 [![Hex.pm](https://img.shields.io/hexpm/v/prometheus.svg?maxAge=2592000?style=plastic)](https://hex.pm/packages/prometheus)
 [![Hex.pm](https://img.shields.io/hexpm/dt/prometheus.svg?maxAge=2592000)](https://hex.pm/packages/prometheus)

doc/README.md

@@ -4,7 +4,7 @@
 
 Copyright (c) 2016,2017 Ilya Khaprov <<[email protected]>>.
 
-__Version:__ 4.1.0
+__Version:__ 4.2.0
 
 [![Hex.pm](https://img.shields.io/hexpm/v/prometheus.svg?maxAge=2592000?style=plastic)](https://hex.pm/packages/prometheus)
 [![Hex.pm](https://img.shields.io/hexpm/dt/prometheus.svg?maxAge=2592000)](https://hex.pm/packages/prometheus)

doc/overview.md

@@ -1,6 +1,6 @@
 @copyright 2016,2017 Ilya Khaprov <<[email protected]>>.
 @title Prometheus.io client for Erlang
-@version 4.1.0
+@version 4.2.0
 
 @doc
 [![Hex.pm](https://img.shields.io/hexpm/v/prometheus.svg?maxAge=2592000?style=plastic)](https://hex.pm/packages/prometheus)

doc/prometheus_vm_system_info_collector.md

@@ -97,6 +97,11 @@ The number of atom currently existing at the local node.
 Type: gauge.<br />
 The maximum number of simultaneously existing atom at the local node.
 
+* `erlang_vm_allocators`<br />
+Type: gauge.<br />
+Allocated (carriers_size) and used (blocks_size) memory
+for the different allocators in the VM. See erts_alloc(3).
+
 
 
 ### <a name="Configuration">Configuration</a> ###
@@ -142,5 +147,7 @@ erlang:system_info/1
 
 * `atom_limit` for `erlang_vm_atom_limit`.
 
+* `allocators` for `erlang_vm_allocators`.
+
 
 By default all metrics are enabled.

mix.exs

@@ -3,7 +3,7 @@ defmodule Prometheus.Mixfile do
 
   def project do
     [app: :prometheus,
-     version: "4.1.0",
+     version: "4.2.0",
      description: description(),
      package: package()]
   end

src/prometheus.app.src

@@ -1,6 +1,6 @@
 {application, prometheus,
  [{description, "Prometheus.io client in Erlang"},
-  {vsn, "4.1.0"},
+  {vsn, "4.2.0"},
   {registered, []},
   {mod, { prometheus, []}},
   {applications,