Update version for 1.2 release.

Author: zfi

src/main/resources/com/parallax/server/blocklyprop/internationalization/translations.properties

@@ -27,8 +27,8 @@ footer.clientdownloadlink = BlocklyProp-client
 
 # Application version numbers.
 application.major = 1
-application.minor = 1
-application.build = 457
+application.minor = 2
+application.build = 458
 
 html.content_missing = Content missing