Added management command for generating tags from existing link database.
Added management command for generating tags from existing link database.

j00bar/drum,renyi/drum,sing1ee/drum,j00bar/drum,yodermk/drum,abendig/drum,tsybulevskij/drum,abendig/drum,tsybulevskij/drum,skybluejamie/wikipeace,tsybulevskij/drum,renyi/drum,sing1ee/drum,j00bar/drum,yodermk/drum,yodermk/drum,abendig/drum,renyi/drum,sing1ee/drum,stephenmcd/drum,stephenmcd/drum,skybluejamie/wikipeace