Change 'Merge Change' button in the screenshots to 'Submit'

The 'Merge Change' button was renamed back to 'Submit'.

Change-Id: I03f82265c7c7fb5468bb772e3d99bda53bbf84fe
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>

img/new-change-screen-merge-change.png

diff --git a/img/new-change-screen-merge-change.png b/img/new-change-screen-merge-change.png
deleted file mode 100644
index 69b0577..0000000
--- a/img/new-change-screen-merge-change.png
+++ /dev/null
Binary files differ

img/new-change-screen-submit.png

diff --git a/img/new-change-screen-submit.png b/img/new-change-screen-submit.png
new file mode 100644
index 0000000..9c67427
--- /dev/null
+++ b/img/new-change-screen-submit.png
Binary files differ

presentations/gerrit-new-features-2.9/gerrit-new-features-2.9.txt

diff --git a/presentations/gerrit-new-features-2.9/gerrit-new-features-2.9.txt b/presentations/gerrit-new-features-2.9/gerrit-new-features-2.9.txt
index b4538b9..f4e4b26 100644
--- a/presentations/gerrit-new-features-2.9/gerrit-new-features-2.9.txt
+++ b/presentations/gerrit-new-features-2.9/gerrit-new-features-2.9.txt
@@ -99,7 +99,7 @@
 
 == New Change Screen
 
-image:../../img/new-change-screen-merge-change.png[]
+image:../../img/new-change-screen-submit.png[]
 
 == New Change Screen