ONOS-293 Added summary pane and related keyboard shortcuts; also tweaked key help sizes and dropped instances toggle from mast. Fixed ONOS-295 bug.

Change-Id: I694901957451cf88df06e6fca3a8d71de144f68e
diff --git a/web/gui/src/main/webapp/keymap.js b/web/gui/src/main/webapp/keymap.js
index 85f2539..3d96a56 100644
--- a/web/gui/src/main/webapp/keymap.js
+++ b/web/gui/src/main/webapp/keymap.js
@@ -35,9 +35,9 @@
         fade = 500,
         vb = '-220 -220 440 440',
         paneW = 400,
-        paneH = 340,
+        paneH = 280,
         offy = 65,
-        dy = 20,
+        dy = 14,
         offKey = 40,
         offDesc = offKey + 50,
         lineW = paneW - (2*offKey);