update android cloud storage sdk version to v2.1.19
update iOS KiiCloudSDK.framework to v2.1.15
Merge pull request #1 from sbin/sdk-update

update android/iOS sdk to latest one
Add fragment to show error.
Improve error message.
Update Main activity.
Update create object and attach body activity.
Add summary screen.
Replace activities with fragment.
Add page image.
move details of each page to fragment.
Fix implemenation.
Add image to detail fragment.
update images.
Add alert before transition.
Update UI flow.
Fix implementation review.
Remove obsolete file.
Update layouts/styles.
Update build script.