Added 'type:' before "web mapping applications" in the search filter.
Although it was not of type "web mapping applications", the "national geographic" featured map had the phrase "web mapping applications" in its snippet, that is why it was filtered out.
Merge pull request #22 from Esri/hisham_issue16_FeaturedMapMissingFromList

Added 'type:' before "web mapping applications" in the search filter.