crusade bug fix, and improvements

[OH296]

a few minor bug fixes

• in obj_en_fleet/Alarm1 a variable not being checked for noone value resulting in crash
• necron tombs not displaying the correct name after being sealed or awakening
• excess number of marines sometimes dying in crusades
• also a general refactor of crusades script
• refactored crusade event into a function so it can be activated more readily and cleans up event script
• minor feature in a report of heroic deeds from crusades (logs new traits added to marines)
• added cheat/debug for crusading

to test and to launch crusades at will enter "eventcrusade" into the cheat console and then check the event log to see where the crusade event launched send fleet and end turn until crusade fleet returns

[OH296]

added extension to crusade response period also fixed necron tomb issues with tomb world not opening and sealing and added a cheat command to open a random necron tomb type "eventtomb" into the cheat console to open a necron tomb

[OH296]

also added cheat code to spawn ancient starship (unrepaired slaughtersong) by entering "slaughtersong"