BoP update

+ leaves pile
+ dead leaves pile
+ dandelion puff
+ ivy
+ lavender
+ dead leaves
+ jacaranda log and leaves
+ hellbark log and planks
+ swamp flower
+ witherwart

Changed algae to duckweed.

Made some tweaks to damp grass, reed and poison ivy.
Merge pull request #1 from Oddface/master

BoP update