Merge pull request #4 from Toops/master

pull from mainstream
Create IWailaBlock.java
Create HighOvenTankDataProvider.java

sqeleton of the class that will eventually manage the display of the liquids in the HighOven Deep Tank directly in Waila
Update HighOvenTankDataProvider.java

implementation of this one is strongly based on TConstruct implementation
Create Waila.java

I'll add the non-javadoc comments later today when I can work on a real IDE so I don't have to write them myself.
Create WailaRegistrar.java
Update WailaRegistrar.java
Update HighOvenTankDataProvider.java

managed to have it in an IDE to auto-check imports, typo, ...
Update WailaRegistrar.java

cleaned up version
Update Waila.java

cleaned up version
Update PluginController.java

adding waila
restore a commented method
Merge pull request #17 from wisthy/master

added waila support for Deep Tank