Start 2.0.22 development

Change-Id: I3c464b672ddec101fb44920407c7287a4a16826b
Signed-off-by: Shawn O. Pearce <sop@google.com>

pom.xml

diff --git a/pom.xml b/pom.xml
index f5cf790..6e82e97 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
   <groupId>gerrit</groupId>
   <artifactId>gerrit</artifactId>
   <packaging>war</packaging>
-  <version>2.0.21</version>
+  <version>2.0.22-SNAPSHOT</version>
   <name>gerrit</name>
   <description>Gerrit - Web Based Code Review</description>
   <url>http://android.git.kernel.org/?p=tools/gerrit.git</url>