Fix duplicate feed listing bug and fix issus with remembering folder collapse/expande perferences in main feed list view
Merge branch 'master' of https://github.com/samuelclay/NewsBlur
Merge branch 'master' of https://github.com/samuelclay/NewsBlur
Merge pull request #128 from lance0428/master

Fix duplicate feed problem and folder collapse/expand bug in main feed list view