Changes:
* Artifact survey messages are now cleared in planetary survey reports once a race digs the planet
* Tourism Income is now affected by game difficulty level (similar trade income)
* Interstellar com will now account for anomalies correctly
* Transferring colonies to another race now resets previously selected builds
* Transient ability will no longer affect missiles
* Minor corrections made for Spanish Localization

Fixes:
* Fixed an issue where the AI would erroneously detect another opponent encroaching on its territory causing relations to deteriorate
* Fixed an issue where Assimilation and Colony Morale would not be updated
* Fixed a case where a very low number of invasion troops could become invincible
* Fixed a rare scenario where an eliminated race would continue on after losing it's last colony causing a late game crash
* Fixed an issue where the camera would switch to another sector (with player ships) while engaged in Sol during the probe quest