re-apply fix to horrible wiki table locking problem.
re-apply fix to horrible wiki table locking problem.

nilclass/echosocial,nilclass/echosocial,riseuplabs/crabgrass,adammck/crabgrass,geoiq/digitalgazette,adammck/crabgrass,riseuplabs/crabgrass,geoiq/digitalgazette,geoiq/digitalgazette,nilclass/echosocial,riseuplabs/crabgrass,ajturner/crisiscommons,ajturner/crisiscommons,nilclass/echosocial,riseuplabs/crabgrass,ajturner/crisiscommons,geoiq/digitalgazette,adammck/crabgrass,ajturner/crisiscommons,adammck/crabgrass,riseuplabs/crabgrass,riseuplabs/crabgrass,riseuplabs/crabgrass