Immersive Weathering [FORGE]

**The Hot (and cold)-fix Update**

**New Features:**
- added config options for falling leaf particle rates in various weather conditions
- added config option to disable natural icicle growth
- merged PR for config option for alternative mulch functionality
- pumpkins and melons should now be able to grow on mulch
- mining mossy stone now drops mossy cobblestone

**Fixes:**
- removed fern and berry bush growth on cryosol
- removed growth from fluvisol
- increased the time it takes for leaf piles to convert grass to humus or podzol
- increased the time it takes leaf piles to appear below growing leaves
- lava converting netherrack to magma blocks can now occur outside the nether
- mud now only dries into cracked mud in deserts and the nether
- saplings drying out into dead bushes now only occurs in deserts and the nether
- icicles now melt on their own during the day in non-icy biomes
- mulch now only dries out in deserts
- added azalea flower piles and flowering azalea leaf piles to the flowers block tag