Merge pull request #28 from sbillard/master

fix #27
Merge pull request #30 from sbillard/master

fix #29
Merge pull request #31 from sbillard/master

flag themes as ZenPHoto20
Merge pull request #32 from sbillard/master

breadcrumbs
Merge pull request #33 from sbillard/master

re-coding
Merge remote-tracking branch 'upstream/master'