Breaking Change:
## Refresher:
- `<ion-refresher>` now takes a child `<ion-refresher-content>`
component.
- Custom refresh content components can now be replaced for Ionic's
default refresher content.
- Properties `pullingIcon`, `pullingText` and `refreshingText` have
been moved to the `<ion-refresher-content>` component.
- `spinner` property has been renamed to `refreshingSpinner` and now
goes on the `<ion-refresher-content>` component.
- `refreshingIcon` property is no longer an input, but instead
`refreshingSpinner` should be used.
Was:
```
<ion-refresher (refresh)="doRefresh($event)"
pullingIcon="arrow-dropdown">
</ion-refresher>
```
Now:
```
<ion-refresher (refresh)="doRefresh($event)">
<ion-refresher-content
pullingIcon="arrow-dropdown"></ion-refresher-content>
</ion-refresher>
```
BREAKING CHANGES: `tabbarIcons` has been replaced with `tabbarLayout`
with the following values: `icon-top`, `icon-left`, `icon-right`,
`icon-bottom`, `icon-hide`, `title-hide`.
closes#5625
Hide cancle button for android as well...
Added `hideCancelButton` to example. This helps a lot for guys coming from ng1 as I tried snake-case way too long.
BREAKING CHANGE: imports from the framework were:
```
import {Platform} from 'ionic-framework/ionic';
```
and are now:
```
import {Platform} from 'ionic-angular';
```
If a `menuId` is not provided then it'll return the first menu found.
If a `menuId` is `left` or `right`, then it'll return the enabled menu
on that side. Otherwise, if a `menuId` is provided, then it'll try to
find the menu using the menu's `id` property. If a menu is not found
then it'll return `null`. If a menu id was provided, but was not found,
it will not fallback to finding any menu. Closes#5535
For Alert and ActionSheet, the currently active page’s leaving
lifecycle event should not fire. However, for Modal, the currently
active page’s leaving lifecycle should fire. Closes#5516
