Streamlining Generator recipes.

Swapped places of Redstone Block and RF Engine in Wooden Generator recipe, so all recipes have the engine on top
Changed CobbleGenUpgrade recipe to use Wooden Miner
Changed creative tab window to Wooden Miner
PABlocks: Arrays changed into lists
FIX: Registering block recipes works with blockLevel disabling configs.

Recipes for each tier will use the least previous ENABLED tier as their middle block.
First tier recipes will use either a Furnance or Redstone Block (Generators) as their middle block.
FIX: Registering upgrade item recipes works with blockLevel disabling configs.

Recipes for each tier will use the least previous ENABLED tier as their middle block.
First tier recipe will use  a piece of redstone as their middle block.

Together with c452bd2cd4414bbe88175b1f6ca9dcef615cc2c3 this fixes #42
Changed Cobblegen Upgrade recipe - uses first non-wooden miner block, or wooden if no else are available. Doesn't register the recipe at all if miners are disabled.
Streamlined icon registration. Merged BaseBlock constructors into one.
Moved icons to separate packages per machine type. Renamed to fit template: {material}_{side}.png
Fixed generating fire around generators

The random should be [1,8] not [2,9]
Incorrect block was checked for flammability
Merge pull request #50 from Torins/dev_iconRefactoring

Icon refactoring
Merge pull request #51 from Torins/dev_generatorFlameFix

Fixed generating fire around generators
Added a filler upgrade which will fill air and liquid blocks using the miner. Closes #52
Added compatibility for sugar cane and cactus to the planter. Also adds support for the planter to right click a crop to harvest.
Limit chopper chopping range to planting range + 6. Fixes #53
Merge remote-tracking branch 'remotes/Vanhal/master' into dev_recipeDisabling

Conflicts:
	src/main/java/com/vanhal/progressiveautomation/blocks/BlockPlanter.java
	src/main/java/com/vanhal/progressiveautomation/items/PAItems.java
Reversed Wooden Generator recipe back to RF Engine on top and Redstone Block in middle
Merge pull request #54 from Torins/dev_HungryHungryChopper

Limit chopper chopping range to planting range + 6. Fixes #53
Merge pull request #49 from Torins/dev_recipeDisabling

Progressive recipes despite disabling block levels
Added support for Pneumaticcraft plants and seeds :D (until minemaarten changes everything!)