Art and data for bombloads
Define bombload names, handle in bomberflags, and load images
Add bombload info for Manchester
Implement UI to select bombload (with variant Plumduff image for Mossie)
Implemented the new bombloads
Check for null filename in loader screen when 'Load' clicked
Tweak skymarker aging
Alter rules for when PFF have a fix
Documentation updates (bombloads, TIs, skymarkers etc.)
Reduce BL_ILLUM to 3000lb
Document the symbols for the bombload choices