chore(): more type fixes

ionic/components/radio/radio.ts

@@ -29,7 +29,7 @@ import {isDefined} from '../../util/util';
     'role': 'radio',
     'class': 'item',
     'tappable': '',
-    'tabindex': 0,
+    'tabindex': '0',
     '[attr.aria-disabled]': 'disabled'
   },
   template:
@@ -44,7 +44,7 @@ import {isDefined} from '../../util/util';
 })
 export class RadioButton {
   @Input() value: string = '';
-  @Input() public checked: any = false;
+  @Input() checked: any = false;
   @Input() disabled: boolean = false;
   @Input() id: string;
   @Output() select: EventEmitter<RadioButton> = new EventEmitter();

ionic/components/scroll/scroll.ts

@@ -1,4 +1,4 @@
-import {Component, ElementRef, onInit} from 'angular2/core';
+import {Component, ElementRef} from 'angular2/core';
 
 import {Ion} from '../ion';
 import {Gesture} from '../../gestures/gesture';
@@ -45,12 +45,12 @@ import * as util from '../../util';
     '</scroll-content>'
 })
 export class Scroll extends Ion {
+  private maxScale: number = 3;
+  private zoomDuration: number = 250;
+  private scrollElement: HTMLElement;
 
   constructor(elementRef: ElementRef) {
     super(elementRef);
-
-    this.maxScale = 3;
-    this.zoomDuration = 250;
   }
 
   /**

ionic/components/segment/segment.ts

@@ -1,4 +1,4 @@
-import {Directive, ElementRef, Renderer, Optional, EventEmitter, Input, Output, HostListener, ContentChildren} from 'angular2/core';
+import {Directive, ElementRef, Renderer, Optional, EventEmitter, Input, Output, HostListener, ContentChildren, QueryList} from 'angular2/core';
 import {NgControl} from 'angular2/common';
 
 import {isDefined} from '../../util/util';
@@ -131,16 +131,15 @@ export class SegmentButton {
   selector: 'ion-segment'
 })
 export class Segment {
-  @ContentChildren(SegmentButton) _buttons;
+  value: string;
+  onChange = (_) => {};
+  onTouched = (_) => {};
+
   @Output() change: EventEmitter<SegmentButton> = new EventEmitter();
-  value: any;
 
-  constructor(
-    @Optional() ngControl: NgControl
-  ) {
-    this.onChange = (_) => {};
-    this.onTouched = (_) => {};
+  @ContentChildren(SegmentButton) _buttons: QueryList<SegmentButton>;
 
+  constructor(@Optional() ngControl: NgControl) {
     if (ngControl) {
       ngControl.valueAccessor = this;
     }

ionic/components/select/select.ts

@@ -181,7 +181,7 @@ export class Select {
    */
   @HostListener('click')
   _click() {
-    let isMulti = (this.multiple === true || this.multiple === 'true');
+    let isMulti = this.multiple === 'true';
 
     // the user may have assigned some options specifically for the alert
     let alertOptions = merge({}, this.alertOptions);