Update version 1.1.8

Thank you for using VR MEDIA VIEWER!! We updated following contents today. [h1]Version 1.1.8[/h1] Function addition / Specification change / Fix / Bug fix : - Support for images and animations of WebP format. (Waiting time occurs when loading an animation file with a large data size) - Supports transparency of 2D screen images and videos. (ON / OFF can be set on the Settings) - The loading status is now displayed in % when loading GIF animations. - Changed the specification so that if the frame rate of GIF and WebP animation is within 0.01 seconds, it will be 0.1 seconds. (Same specifications as a general web browser) - Supports moire reduction in image formats other than JPG and PNG. - Fixed the aspect ratio of the screen when applying the screen curve. - Fixed memory management. - Fixed a bug where the left controller model was incorrect when using Oculus. - Fixed a bug where the screen display would be strange when trying to grab the same screen with the left and right pointers at the same time. Please enjoy!! Thanks!!