Merge branch 'release_5_7_0' into 'master'

Update info.xml

See merge request !56

info.xml

@@ -14,8 +14,8 @@
         <url desc="Support">https://civimobile.org</url>
         <url desc="Licensing">http://www.gnu.org/licenses/agpl-3.0.html</url>
     </urls>
-    <releaseDate>2021-08-12</releaseDate>
-    <version>5.7</version>
+    <releaseDate>2021-08-16</releaseDate>
+    <version>5.7.0</version>
     <compatibility>
         <ver>4.7</ver>
         <ver>5.20</ver>