Military changes

[SneakBug8]

• Military leader prestige
• Regiments (only land for now) experience
• Checking armies of other countries
• Speeding up siege for provinces w/o forts
• Losing transport ships kills boarded regiments' pops
• Tilted unit panel

[schombert]

I think that your disband_regiment_w_pop_death is too extreme. First remember that 1 pop represents a family, so your function is also killing the families of everyone aboard. Secondly it assumes that there are no survivors: no prisoners of war, no one picked up by other ships present