Minor release 0.7.8 — Structura Steam update #2311

Structura minor release Changelog: fixed crash when shooting enemies move the attack timer to a better location on the screen shell gates text hover on game over only offer to quit , a new game can be chosen from the launcher stack transfer operation menu proper cleanup on enemy death endgame work (work in progress): added mothership nodes, each shell gate has 3 , initially cloaked message from command when arriving on the last shell trigger to decloak all mothership nodes if all mothership nodes are destroyed, the mothership will be decloaked the mothership will be a boss fight (still to do)