docs: Prepare version 0.2.0 release notes

Change-Id: I80a660fe23bb1bf2bfc35265b68e287df8921fe5
diff --git a/wscript b/wscript
index 0dbf533..c4a2d5c 100644
--- a/wscript
+++ b/wscript
@@ -20,7 +20,7 @@
 NLSR, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
 """
 
-VERSION = '0.1.0'
+VERSION = '0.2.0'
 APPNAME = "nlsr"
 BUGREPORT = "http://redmine.named-data.net/projects/nlsr"
 URL = "http://named-data.net/doc/NLSR/"