[aravis] Update NEWS file.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 29e072bcc5dfe56a21b0df74e4f423bde6488d07
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Tue Jun 21 11:19:45 2011 +0200

    Update NEWS file.

 NEWS |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 15589e2..d243cb9 100644
--- a/NEWS
+++ b/NEWS
@@ -1,7 +1,11 @@
 Release 0.1.8
 =============
 
-  * Fix headers for C++ compatibility (Andre Gaschler)
+  In this release, arv-show-devices is renamed to arv-tool, and gain the capability
+  to read/write and list device features.
+
+  * Build: fix headers for C++ compatibility (Andre Gaschler)
+  * Genicam: partly implement isAvailable and isImplemented.
 
 Release 0.1.7
 =============