Merge pull request #104 from jfly/master

Implemented fast solveIn() method for 2x2
Create a distinct PyraminxSolver class based on TwoByTwoSolver
Add an ascii art of the pyraminx, for the big coming work
Add an ascii art for the PyraminxSolverState representation, and fix the cycles
Add the method toPyraminxSolverState
Add some tests
Move tests into the ScrambleTest class
Rewrite the 222 solver
Add more tests
Add a pyraminx test
Finalize the pyraminx puzzle
Merge pull request #105 from clementgallet/master

Pyraminx update
Fix ClockPuzzle solveIn method
Fix solving tips on pyraminx
CubeState hashCode
Merging in changes from gnehzr. I have no idea if this is going to
preserve his commit history.