Make inline runner more detailed
Replace WB with callback in SpecSuite
Create new inline runner example
Update DisplayRunner

- Configurable
- No longer tied to specs
- Append
Improve WB Proxies, Scenarios, and Helpers

- Move shared IWBProxy behavior to helpers
- Update scenarios for simplified WBProxy behavior
- Add scenario helpers
Version bump to V1.2.0
Move and update examples
Update helpers

- Error handling
- Blank scenario
Update blank and example workbooks for V1.2.0
Merge pull request #1 from timhall/refactor

Refactor