Building weight changes, pop weight changes.

Building weights changes.

Some event bugfixes.

Fixed Lithoid policies (policy changes).

Ai_budget changes, colony specialisation changes, building changes.

Ai_budget changes (thanks Maniac).

District weights change and scripted_triggers change (lithoids still were not building food, thanks Tsundere).

Building weight changes (destroying buildings, building unnecessary holotheater).

AI_budget changes (not clearing sprawling slums on time).

District changes (lithoids not building food when needed).

Pop_jobs changes (gestalts didn't react to deficits).

Fixed AI building too many ships in the lategame (sometimes having -500 energy deficit).

scripted_triggers tweak.