Change weather service from boolean to integer (percentage)

[Peter Tigges]

Currently the weather service is just boolean

In order to make planets more unique and interesting we should change it from boolean to an integer that indicates the chance of this weather type. total is always 100%

terrain check   weather_index_0 weather_index_1 weather_index_2 weather_index_3 weather_index_4
TEXT    INTEGER INTEGER INTEGER INTEGER INTEGER INTEGER
CORELLIA    100 50  20  15  10  5
DANTOOINE   100 50  20  15  10  5
DATHOMIR    100 70  10  10  5   5
ENDOR   100 70  10  10  5   5
KASHYYYK_MAIN   100 80  5   5   5   5
KASHYYYK_DEAD_FOREST    100 80  5   5   5   5
KASHYYYK_HUNTING    100 80  5   5   5   5
KASHYYYK_SOUTH_DUNGEONS 100 80  5   5   5   5
LOK 100 70  10  10  5   5
MUSTAFAR    100 65  20  5   5   5
NABOO   100 50  20  20  5   5
RORI    100 65  15  10  5   5
TALUS   100 65  15  10  5   5
TATOOINE    100 70  5   5   5   15
YAVIN4  100 50  25  15  5   5
ADVENTURE1  100 90  10  0   0   0
ADVENTURE2  100 70  15  10  5   0
DUNGEON1    100 100 0   0   0   0