Fix coupled var name (#4300)
Merge pull request #4310 from dschwen/getvarname_4300

Fix coupled var name
Create static zero property on the fly (#4311)
Implement neccessary specializations for mooseSetToZero (#4311)
Fix compile warning (#4311)
Const use in test classes (#4311)
That test makes no sense anymore (#4311)
Merge pull request #4314 from dschwen/zero_4311

Implement new "zero" property