Edgewater Technology has come to terms with Lone Star Investors, which had sought to oust the Edgewater directors. The parties this week agreed to expand the board of directors of the Wakefield, Mass.-based consulting and reselling company from six to eight and to add two Lone Star nominees, Timothy Whelan and Stephen R. Bova. The agreement also kills the immediate prospect of a takeover of Edgewater by another company.