Running ckit new now passes project_name to chemistrykit.yaml with one exception

Running:

`ckit new booker`

Creates:

``` yaml
chemistrykit: {
  project: Booker
  capture_output: false,
  run_locally: true
}
```

Running:

`ckit new .`

Creates: 

``` yaml
chemistrykit: {
  project: .
  capture_output: false,
  run_locally: true
}
```

Noted in code with comments where the bug is and created an issue. Most people will probably not be installing with bundler.