###Function:
edit any height and width for image picked from the photo gallery
###Document
Step 1: Copy XXImagePicker directory in the project
Step 2: Use the XXImagePicker
######add codes below when needed:
// ratio = height / width
XXImagePickerController *controller = [[XXImagePickerController alloc] initWithRatio:ratio];
controller.delegateXX = self;
[self presentViewController:controller animated:YES completion:nil];
###Done!