Add more samples

matmul:
```
c: 0.205s
crystal: 0.562s
topaz: 5.8s
ruby: 22.7s
```

red_black_tree:
```
crystal: 2.88s
topaz: 22.7s
rbx 2.2.5: 21.9s
jruby 1.7.10: 70s
ruby 2.1.1: 113s
```

meteor:
```
rust: 0.11s
crystal: 0.73s
ruby: 9.8s
```

sudoku:
```
c: 0.269s
crystal: 0.904s
ruby: 19.3s
```

spectral-norm (1000):
```
crystal: 0.468s
c: 0.624s
ruby: 14.355s
```

not sure why rust meteor 7 times faster then crystal.