util/mysql: set reconnet option before real_connect

Otherwise it does not have any effect
Merge pull request #118 from openchange/jgarcia/fix-mysql-reconnect

util/mysql: set reconnet option before real_connect
Move 4.0 to stable

Unstable/bleeding edge is now 4.0-proposed
Merge pull request #120 from sixstone-qq/ejhernandez/new-apport-conf-zentyal-4.0

Move 4.0 to stable