Bump modules to next minor with -dev

After releasing Pike M1, we need to bump the metadata version
information for the next release with a -dev.

Change-Id: I711233114ca7e908684193266a945e0527b7eab4

metadata.json

@@ -67,5 +67,5 @@
     ],
     "source": "git://github.com/openstack/puppet-vswitch.git",
     "summary": "A module for providing things (ports, bridges) to vSwitches (OVS)",
-    "version": "7.0.0"
+    "version": "7.1.0-dev"
 }

releasenotes/source/conf.py

@@ -52,9 +52,9 @@ copyright = u'2017, Puppet OpenStack Developers'
 # built documents.
 #
 # The short X.Y version.
-version = '11.0.0'
+version = '7.1.0'
 # The full version, including alpha/beta/rc tags.
-release = '11.0.0'
+release = '7.1.0-dev'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.