More play testers feedback bug fixes. — Ghost Battalion Steam update #1549147

Added better player collision with triggers that have this option enabled - players cannot force themselves through these triggers used as door shields. Single-player Mission 2 - there was a rare bug that prevented the capture of all alien capture points, preventing the mission from being completed. Single-player Mission 2 - Z-Fighting fix - Fixed some minor graphical glitch that would make one of the buildings doors flicker. Fixed a bug that would pause the game to show the objective while crashing the player's ship and nothing would be available to click-on to unpause this. Single-player Mission 3 - I fixed a bug that I introduced while working on multiplayer gameplay, where the bots looking to board a ship could not because the ship's allowed boarding radius. Single-player Mission 3 - Fixed a bug that would prevent the mission to end when destroying the allied ship the player is suppo...