Introducing MySQL Reconnect

* mysql_reconnect_type
** 1: when mysql disconnects during runtime, the server tries to reconnect mysql_reconnect_count times and, if unsuccessful, the server is shut down
** 2: when mysql disconnects during runtime it tries to reconnect indefinitely
mysql_reconnect_type:2
* mysql_reconnect_count
** number of reconnect attempts the server should do when the database disconnects during runtime
** only used when mysql_reconnect_type is 1
mysql_reconnect_count:1
~Ind

Signed-off-by: shennetsind <ind@henn.et>
Merge branch 'master' of https://github.com/HerculesWS/Hercules