x/$/ places cursors at end of lines in current selection

Editor addSelectionForBufferRange no longer attempts to recycle an existing empty selection, because this was interfering with x selecting zero-width matches. It always adds a new selection, and tools must take care to use it correctly.

src/atom/command-interpreter/select-all-matches.coffee

@@ -15,4 +15,5 @@ class SelectAllMatches extends Command
         rangesToSelect.push(range)
 
     editor.clearSelections()
-    editor.addSelectionForBufferRange(range) for range in rangesToSelect
+    editor.setSelectionBufferRange(rangesToSelect[0])
+    editor.addSelectionForBufferRange(range) for range in rangesToSelect[1..]

src/atom/composite-selection.coffee

@@ -30,12 +30,7 @@ class CompositeSeleciton
     @editor.lines.append(selection)
 
   addSelectionForBufferRange: (bufferRange, options) ->
-    selections = @getSelections()
-    cursor = if selections.length == 1 and selections[0].isEmpty()
-      selections[0].cursor
-    else
-      @editor.compositeCursor.addCursor()
-
+    cursor = @editor.compositeCursor.addCursor()
     @selectionForCursor(cursor).setBufferRange(bufferRange, options)
 
   removeSelectionForCursor: (cursor) ->