Only show "Popular" label for featured styles
Only show "Popular" label for featured styles

fixes #169

citation-style-language/csl-editor,adam3smith/csl-editor,citation-style-language/csl-editor,citation-style-editor/csl-editor,citation-style-editor/csl-editor,citation-style-language/csl-editor,adam3smith/csl-editor,citation-style-editor/csl-editor,adam3smith/csl-editor