[polari] appdata: Update screenshots

[Florian Müllner <fmuellner src gnome org>]

commit e2fdd6906aafbb8e270580510e192fa1bc58fcae
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Aug 12 01:06:34 2017 +0200

    appdata: Update screenshots

 data/appdata/polari-connection-properties.png |  Bin 110307 -> 177823 bytes
 data/appdata/polari-connection.png            |  Bin 108105 -> 172789 bytes
 data/appdata/polari-join-dialog.png           |  Bin 110894 -> 175513 bytes
 data/appdata/polari-main.png                  |  Bin 106577 -> 171140 bytes
 data/appdata/polari-user-list.png             |  Bin 109602 -> 179177 bytes
 5 files changed, 0 insertions(+), 0 deletions(-)
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diff --git a/data/appdata/polari-connection-properties.png b/data/appdata/polari-connection-properties.png
index 5391d80..8bc819a 100644
Binary files a/data/appdata/polari-connection-properties.png and 
b/data/appdata/polari-connection-properties.png differ
diff --git a/data/appdata/polari-connection.png b/data/appdata/polari-connection.png
index b068fdf..ad5bb7c 100644
Binary files a/data/appdata/polari-connection.png and b/data/appdata/polari-connection.png differ
diff --git a/data/appdata/polari-join-dialog.png b/data/appdata/polari-join-dialog.png
index 9b2cdad..691acb0 100644
Binary files a/data/appdata/polari-join-dialog.png and b/data/appdata/polari-join-dialog.png differ
diff --git a/data/appdata/polari-main.png b/data/appdata/polari-main.png
index c9985f6..ecad35c 100644
Binary files a/data/appdata/polari-main.png and b/data/appdata/polari-main.png differ
diff --git a/data/appdata/polari-user-list.png b/data/appdata/polari-user-list.png
index 5c0f06c..cd073ff 100644
Binary files a/data/appdata/polari-user-list.png and b/data/appdata/polari-user-list.png differ