renamed VIGRA_NO_PARALLELISM => VIGRA_SINGLE_THREADED (which already existed)
renamed VIGRA_NO_PARALLELISM => VIGRA_SINGLE_THREADED (which already existed)

dagophil/vigra,dagophil/vigra,funkey/vigra,funkey/vigra,dstoe/vigra,funkey/vigra,funkey/vigra,funkey/vigra,dstoe/vigra,dstoe/vigra,dagophil/vigra,dstoe/vigra,dstoe/vigra,funkey/vigra,dstoe/vigra,dagophil/vigra,dagophil/vigra,dstoe/vigra,dagophil/vigra,funkey/vigra,dagophil/vigra