Mayor Anthony M. Masiello will unveil a spending plan soon that will likely hold the line on the property tax levy but will call for a double-digit increase in the garbage user fee, The Buffalo News has learned. The unpopular fee could go up by anywhere from 10 to 15 percent July 1, sources confirmed Sunday. There would be few, if any, layoffs in the proposed budget, but many vacant jobs would be cut. City officials continued working this weekend on a plan that must be submitted to the Common Council and the state financial control board by May 2....