New batch of rewrites and a few code fixes.

Fixed the crash and made some minor tweaks.

Reverting until I find the cause of the crash.

Fixed trait reward.

Complete rewrite of the events Illegal Aliens and World War.
Rewrite of some other events.

Some code optimizations.
Rewrite of Crazy Scientist.
Translators, please note that crazy_scientist has moved from eev_l_english to eev_new_l_english.

Typo fixes and additional rewrites.

Rewritten some events.
Added support for Planetary Diversity Beta.

Fixed localisation of "Unstable gas giant" anomaly.

Many typo fixes and some rewriting thanks to Metallichydra.