[gimp] Update NEWS for 2.9.6

[Alexandre Prokoudine <aprokoudine src gnome org>]

commit b492242171ed64711611380d6a4881fc3334098a
Author: Alexandre Prokoudine <alexandre prokoudine gmail com>
Date:   Fri Nov 18 10:31:09 2016 +0300

    Update NEWS for 2.9.6

 NEWS |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 4d9d7a9..8ec816a 100644
--- a/NEWS
+++ b/NEWS
@@ -21,6 +21,13 @@ Core:
     and layer groups
   - The Mouse Pointer dialog and colors applied to images are 
     color-managed now
+  - Gamma and precision selectors for newly created images
+  - Never dither when converting to a higher bit depth, or to anything 
+    more than 16 bits, don't offer dithering options in these cases
+  - Вefault to linear when converting to 16-bit float
+  - Pre-initialize some babl-based pixel format conversion routines 
+    at the start-up to decrease the initial lazy intialization cost
+    for some interactions
 
 GUI:
 
@@ -35,6 +42,7 @@ GUI:
   - Quick Mask and Channel Attributes dialogs use the new spinscale
     widget for the  mask opacity slider
   - Enable grid views of dynamics and tool presets
+  - Allow to zoom with middle mouse button + control + drag up/down
   - Standard (Freedesktop) and GTK+ icons can now be set by the icon
     theme for a fully consistent style.
   - Many new icons