New blocks for snapshot

Granite, Diorite, Andesite (new data values for blockid:1)
Iron trapdoor

See #1062
New snapshot block: slime blocks

See #1062
Merge branch 'master' into snapshot
Merge branch 'master' into snapshot
add new 14w25a prismarine and sea lantern blocks
Merge pull request #1119 from dbergl/prismarine

add new 14w25a prismarine and sea lantern blocks
Merge branch 'master' into snapshot
Merge remote-tracking branch 'origin/snapshot' into snapshot
Added support for the difference fence colors
added support for different door types
Merge branch 'snapshot'
Bump versions and docs for 1.8 support!