Add align and acyclicer to readme

README.md

@@ -64,6 +64,9 @@ var defaults = {
   edgeSep: undefined, // the separation between adjacent edges in the same rank
   rankSep: undefined, // the separation between each rank in the layout
   rankDir: undefined, // 'TB' for top to bottom flow, 'LR' for left to right,
+  align: undefined,  // alignment for rank nodes. Can be 'UL', 'UR', 'DL', or 'DR', where U = up, D = down, L = left, and R = right
+  acyclicer: undefined, // If set to 'greedy', uses a greedy heuristic for finding a feedback arc set for a graph.
+                        // A feedback arc set is a set of edges that can be removed to make a graph acyclic.
   ranker: undefined, // Type of algorithm to assign a rank to each node in the input graph. Possible values: 'network-simplex', 'tight-tree' or 'longest-path'
   minLen: function( edge ){ return 1; }, // number of ranks to keep between the source and target of the edge
   edgeWeight: function( edge ){ return 1; }, // higher weight edges are generally made shorter and straighter than lower weight edges