iOS Rotation Gestures implementation

Rotation Gesture is implemented for iOS apps.
Fixes linting errors
Changes in Rotation Method
Fixes Linting Error
Added app for testing Pinch and Rotation
Test Case for Pinch And Rotation Gestures

Test cases require selenium server standalone.jar file
Remove External Jar file

Add relative path for selenium.
Added POM.XML file in test cases
Added target folder in .gitignore
Remove the target folder
Extended the the TestApp to test the Gestures.

Added test cases in the SimpleTest.java.