Update FireStream.java

Updated Firestream to ignite newer blocks (not yet including 1.8 blocks)   
Removed snow and snow blocks from being burnable as the moisture in these blocks would extinguish a fire.
Update Methods.java

FIx RapidPunch/Paralyze from working through walls.
Updated GetTargetedEntity() to make sure no solid blocks are between player and target..
Merge pull request #54 from dniym/master

Update FireStream.java