update NEWS and DESCRIPTION
diff --git a/inst/NEWS b/inst/NEWS
index 3e3e8b6..46058bb 100644
--- a/inst/NEWS
+++ b/inst/NEWS
@@ -1,4 +1,4 @@
-Version 0.7 (unreleased)
+Version 0.7
 -----------------------------------------------------------------------
 
 - Update to reveal.js 3.3