Bump version numbers to 2.2.0

Makefile

 #!/usr/bin/make -f
 
 MAJOR := 2
-MINOR := 1
+MINOR := 2
 PATCH := 0
 VERSION := $(MAJOR).$(MINOR).$(PATCH)
 PREFIX ?= /usr/local

OLMKit.podspec

@@ -2,8 +2,8 @@ Pod::Spec.new do |s|
 
   # The libolm version
   MAJOR = 2
-  MINOR = 1
-  PATCH = 0
+  MINOR = 2
+  Patch = 0
 
   s.name         = "OLMKit"
   s.version      = "#{MAJOR}.#{MINOR}.#{PATCH}"

README.rst

@@ -49,8 +49,9 @@ To build the Xcode workspace for Objective-C bindings, run:
 Release process
 ---------------
 
-First: bump version numbers in ``Makefile``, ``javascript/package.json``, and
-``OLMKit.podspec``.
+First: bump version numbers in ``Makefile``, ``javascript/package.json``,
+``OLMKit.podspec``, and ``android/olm-sdk/build.gradle`` (``versionCode``,
+``versionName`` and ``version``).
 
 Also, ensure the changelog is up to date, and that everyting is committed to
 git.

android/olm-sdk/build.gradle

@@ -9,9 +9,9 @@ android {
     defaultConfig {
         minSdkVersion 11
         targetSdkVersion 21
-        versionCode 1
-        versionName "1.0"
-        version "0.2.0"
+        versionCode 220
+        versionName "2.2.0"
+        version "2.2.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {

javascript/package.json

 {
   "name": "olm",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "An implementation of the Double Ratchet cryptographic ratchet",
   "main": "olm.js",
   "files": [