update version and revision number

This is a temporary patch, to let RFEC properly work
Need reworking on Videowall related code

Author: jonsito

ChangeLog

@@ -1,3 +1,7 @@
+Version 4.5.4 20210927_1050
+    - Fixes on inscriptions ( let inscription/rounds work for special cases )
+    - Database updates
+    - Some fixes for 5-heights VideoWall
 Version 4.5.3 20210908_2030
     - Livestream "perroenpista" enhancements
     - Update database

config/system.ini

@@ -3,8 +3,8 @@ program_name = "AgilityContest"
 author = "Juan Antonio Martinez"
 email = "juansgaviota@gmail.com"
 license = "GPL"
-version_name = "4.5.3"
-version_date = "20210908_2030"
+version_name = "4.5.4"
+version_date = "20210927_1050"
 database_name = "agility"
 database_host = "localhost"
 database_user = "YWdpbGl0eV9vcGVyYXRvcg=="