Carvel Hulls/Tech popup/City Capture fix

Placing a dummy TXT_KEY in the Carvel Hulls definition removes the error
from city capture because of the open BUTTONPOPUP_TECH_AWARD popup
associated with the NULL field in Carvel Hulls
Coalition personality error

The Leader table had Personality set to COALITIONIST when it should be
just COALITION
Project Flavor fix

The Apollo project and the spaceship parts were having the same value
set.
Minor text fix

2 TXT_KEYs were defined on the same line
Flavian splash

A load texture error occurred because the file pointed to an incorrect
name.
Merge branch 'stable' of https://github.com/Thalassicus/cep-bnw into stable