refactor: changed minRows and maxRows to mdAutosizeMinRows and mdAutosizeMaxRows (#2339)

- left minRows and maxRows to not break old versions

src/lib/input/autosize.spec.ts

@@ -116,7 +116,7 @@ const textareaStyleReset = `
 
 @Component({
   template: `
-    <textarea mdTextareaAutosize [minRows]="minRows" [maxRows]="maxRows" 
+    <textarea mdTextareaAutosize [mdAutosizeMinRows]="minRows" [mdAutosizeMaxRows]="maxRows" 
         #autosize="mdTextareaAutosize">
       {{content}}
     </textarea>`,

src/lib/input/autosize.ts

@@ -17,9 +17,25 @@ export class MdTextareaAutosize implements OnInit {
   /** Minimum number of rows for this textarea. */
   @Input() minRows: number;
 
+  get mdAutosizeMinRows(): number {
+    return this.minRows;
+  }
+
+  @Input() set mdAutosizeMinRows(value: number) {
+    this.minRows = value;
+  }
+
   /** Maximum number of rows for this textarea. */
   @Input() maxRows: number;
 
+  get mdAutosizeMaxRows(): number {
+    return this.maxRows;
+  }
+
+  @Input() set mdAutosizeMaxRows(value: number) {
+    this.maxRows = value;
+  }
+
   /** Cached height of a textarea with a single row. */
   private _cachedLineHeight: number;