Added support for the maven enforcer plugin to check java version is 1.7
Added support for the maven enforcer plugin to check java version is 1.7

Change-Id: I8d81927fb19d76f6499057e150c4406a2affe79a
Signed-off-by: Ed Warnicke <bd21dacf50ae0c2a81d439ae755251c53052fe92@cisco.com>

aryantaheri/controller,my76128/controller,inocybe/odl-controller,522986491/controller,mandeepdhami/controller,inocybe/odl-controller,tx1103mark/controller,tx1103mark/controller,my76128/controller,opendaylight/controller,Sushma7785/OpenDayLight-Load-Balancer,my76128/controller,Sushma7785/OpenDayLight-Load-Balancer,aryantaheri/monitoring-controller,tx1103mark/controller,522986491/controller,Johnson-Chou/test,violinlakshmi/opendaylight,tx1103mark/controller,aryantaheri/monitoring-controller,aryantaheri/controller,aryantaheri/monitoring-controller,aryantaheri/monitoring-controller,mandeepdhami/controller,violinlakshmi/opendaylight,my76128/controller,violinlakshmi/opendaylight,mandeepdhami/controller,mandeepdhami/controller,Johnson-Chou/test,aryantaheri/controller