somewhat nicer error message for wiki section editing when a section can't be found
somewhat nicer error message for wiki section editing when a section can't be found

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