Description of problem:
Add filter on Resources -> Config Maps page, the filter will be added twice, when adding more than one filter, the later added filter will be added twice, and the previous ones are cut to once

Version-Release number of selected component (if applicable):
openshift v1.5.0-alpha.0+ca3d987-26

How reproducible:
Always

Steps to Reproduce:
1.Go to Resources -> Config Maps page
2.Add filter: test exists
3.Check filters
4.Add another filter: special exists
5.Check filters

Actual results:
3.Filter "test exists" are added & shown twice 
5.Filter "test exists" shown only once, but filter "special exists" shown twice

Expected results:
3.The filter should be only added once
5.Each filter should only be added once

Additional info: