Fixed the video player

This app has been updated by Apple to display the Apple Watch app icon.

Fixed image zooming and panning

- Fixed bug where videos in a chapter view would not play

Fixed a bug where search results in the Gallery were not filtered properly
Fixed a bug where Gallery titles were truncated due to large user font
Fixed a bug caused by switching tabs during search

- complete UI restoration
- extremely flexible layout
- bug fixes and optimizations
- new app icon

Added topical sections on:
--Intravascular Ultrasound (IVUS) Imaging
--Optical Coherence Tomography (OCT) Imaging

Added fractional flow reserve (FFR) to topic list
Added additional images including figures depicting left, right, and co-dominant normal coronary anatomy
Added video to coronary anomaly topic (anomalous left coronary from pulmonary artery)