Version bump to begin work on 2.0

CHANGELOG.txt

@@ -1,6 +1,10 @@
 Changelog
 =========
 
+2.0 (xx.xx.xxxx) - IN DEVELOPMENT
+~~~~~~~~~~~~~~~~
+
+
 1.13 (xx.xx.xxxx) - IN DEVELOPMENT
 ~~~~~~~~~~~~~~~~~
 

docs/releases/2.0.rst

@@ -0,0 +1,22 @@
+==========================================
+Wagtail 2.0 release notes - IN DEVELOPMENT
+==========================================
+
+.. contents::
+    :local:
+    :depth: 1
+
+
+What's new
+==========
+
+Other features
+~~~~~~~~~~~~~~
+
+
+Bug fixes
+~~~~~~~~~
+
+
+Upgrade considerations
+======================

docs/releases/index.rst

@@ -5,6 +5,7 @@ Release notes
    :maxdepth: 1
 
    upgrading
+   2.0
    1.13
    1.12.2
    1.12.1

wagtail/__init__.py

@@ -4,7 +4,7 @@ from wagtail.utils.version import get_semver_version, get_version
 
 # major.minor.patch.release.number
 # release must be one of alpha, beta, rc, or final
-VERSION = (1, 13, 0, 'alpha', 0)
+VERSION = (2, 0, 0, 'alpha', 0)
 
 __version__ = get_version(VERSION)