0.6.5 update

Decided to not work on the 3rd level yet and did some polishing instead. Changelog:

• Updated UE to 4.20.3

• Gamepad support.

• Auto Aim.

• Combined Aim/Shoot for people with 1-button mice.

• Fixed guard dialogues in the 1st mission.

• Target dialogue should no longer lock up.

• Added cubemap reflections to cars and most glass surfaces.

• Fixed issues with planar reflections.

• Fixed lighting issues in training level.

• Improved skin and hair materials.

• Removed/resized all npot textures.

• Added "Cinematic" graphics options.

• Lighting and post processing adjustments.

• Fixed NPC sitting animations.

• NPCs will no longer collide with the camera.

• Fixed bugs when taking down sitting enemies.

• Fixed bugs that caused enemies to not hear explosions.

• It now requires more than one tazer shot to take down the player.

• Button prompts are no longer hardcoded and support remapped controls.

• It's now possible to close inventory without changing the equipped item.

• It's now possible to run through bushes.

• Added particle effects to EMP explosives.

• Explosives will now kill anything in 5 m radius and won't be affected by level geometry.

• Removed navigation modifier under player when not in combat - AI will no longer try to avoid them.

• Crosshair will now show the actual location that the bullet will hit.