add routines to find connections
add connected generator
Merge branch 'master' of https://github.com/tpwrules/connectedmachines

Conflicts:
api/ILinkable.java
api/LinkFinder.java
tile/TileConnectedFurnace.java
tile/TileController.java
tile/TileMachineLink.java
fix version control shit
avoid writing link pos to nbt
controller is told to rebuild network at appropriate time
doesn't try to rebuild network when controller can't be found
a little optimization
comments, woot!