Merge pull request #714 from Amorymeltzer/tag-fixmergeto

tag: Fix regression leaving generic {{merge}} instead of {{merge to}} or {{merge from}}

modules/friendlytag.js

@@ -1523,6 +1523,7 @@ Twinkle.tag.callbacks = {
 					case 'Merge':
 					case 'Merge to':
 					case 'Merge from':
+						params.mergeTag = tagName;
 						if (params.mergeTarget) {
 							// normalize the merge target for now and later
 							params.mergeTarget = Morebits.string.toUpperCaseFirstChar(params.mergeTarget.replace(/_/g, ' '));