Fix problem with database upgrade: Could not connect to MySQL server

Fixes #6

cloud-config.yaml

@@ -26,7 +26,7 @@ write_files:
     content: |
       connectionProperties.user=teamcity@%RDSHost%
       connectionProperties.password=%RDSPassword%
-      connectionUrl=jdbc:mysql://%RDSHost%.mysql.database.azure.com/%RDSDataBase%?autoReconnect=true
+      connectionUrl=jdbc:mysql://%RDSHost%.mysql.database.azure.com/%RDSDataBase%?useSSL=true&requireSSL=false
   - path: "/etc/teamcity/disabled-plugins.xml"
     content: |
       <?xml version="1.0" encoding="UTF-8"?>
@@ -104,7 +104,7 @@ coreos:
         Type=oneshot
         ExecStart=/bin/mkdir -p /mnt/data/teamcity-server/data/lib/jdbc
         ExecStart=/bin/wget -O /mnt/data/teamcity-server/data/lib/jdbc/mysql-connector-java-bin.jar \
-          http://central.maven.org/maven2/mysql/mysql-connector-java/5.1.45/mysql-connector-java-5.1.45.jar
+          http://central.maven.org/maven2/mysql/mysql-connector-java/5.1.47/mysql-connector-java-5.1.47.jar
 
         [Install]
         WantedBy=multi-user.target