register chisel as proper tool

this allows the chisel to break blocks. Needs further cleanup of
setHarvestLevel("chisel", ...)
replace "chisel" with Chisel.toolclass where valid
finish tool functionality of chisel
Update README.md

add eclipse information and update a few lines
Fixed the hardness of concrete

The hardness of concrete is now the same as stone and marble (hardness
2). Instead of being hardness 0.5
Concrete resistance fix

Now also changed the blast resistance of concrete to be the same as
stone, marble, etc.
fix issue with missing metadata in canHarvestBlock()

- new isCarvable() check for blocks missing metadata
- also add a generic havestLevel check instead of an obsidian-only check
Removed unused lava texture

Removed unused (and illegal) lava_flow.png
Added Waterstone

Added:
New class for Waterstone, so particle effects may be implemented later.
Code to add Waterstone.
Crafting recipe for Waterstone.
Modified lavastone textures for Waterstone and any other fluid blocks in
the future.
English language entry for Waterstone.
adding a build version number for local deploying
remove more unfinished code ("SmashingRock")
remove even more unfinished code
use CTM constants instead of numbers
Concrete Block connected texture fix

The -ctm.png file of the concrete block was wrong, causing borders to
appear where they shouldnt. Changed the texture so that the connected
textures now work properly.