Merge branch '4-4-0-release' into 'master'

Prepare 4.4.x release

See merge request gitlab-org/gitter/gitter-ios-app!18

Gitter/Gitter-Info.plist

@@ -21,7 +21,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>4.3.5</string>
+	<string>4.4.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleURLTypes</key>
@@ -40,7 +40,7 @@
 		</dict>
 	</array>
 	<key>CFBundleVersion</key>
-	<string>1476</string>
+	<string>1501</string>
 	<key>ITSAppUsesNonExemptEncryption</key>
 	<false/>
 	<key>LSApplicationCategoryType</key>