Changes after dozen of reviews

Made some changes after receiving a dozen of reviews here and there. Things that were not obvious for me at first time:

• "annoying tutorial" - nobody wants to make extra clicks = made tutorial shorter / added turn off button

• keyboard input = added hotkeys to almost all ui elements / shooting / scrolling

• ui elements are breaking mouse input = now it depends on mouse holding time

• quality settings

• cutscenes skip button

Reviews are the real eye-openers = I need a way of getting them as earlier in dev process as possible.

TO-DO:

- scenery / dialogues

- balance / level design