Create base all PURAP docs spec
Use instance var in Marc Editor shared
Ignore screenshots
Add rake task to clean screenshots directory
Add shared context 'Create a Bib Record Only'
Add comments to Options and VERSION constants
Create requisition delivery info test
Create requisition vendor test
Create requisition bib record test
DRY Marc editor shared context

Changed examples to methods for easier reuse
Create requisition line item tests
Create requisition submit test
Move requisition test prep code to shared context
Create basic page-loading spin assert
Create test for requisition to enter 'Closed' status
Fix assertion for more robust page-reloading

- refreshes page
- if page URL is changed by refresh (this happens in OLE sometimes)
  the page will be loaded by URL to ensure the desired page is the
  one returned
Create valid PO load test in PURAP test
Add comments on page_assert
Create rake configurator and show_config tasks
Create receiving document test in purap workflow