set zend server version to 5.6 with php 5.4

Change-Id: I9437b8b307aea2827652dae5e1ac6d89eee22625
remove sandbox script

Change-Id: If810f237483c5c36e82227541925816a51225d20
Add jenkins install script

Change-Id: I611f13844450c4a562b619b0358d91d44b1a57e5
Add webmin install script

Change-Id: Id50fc6355edcbe8d1f3cc83ebb96906387e44163