Book 1 render updates: text changes

- Add extra blank line before code listing highlighting changes
- Add missing text change highlights
- Add missing header includes
- Organize main() chunks: image params, then world def, then camera def,
  then image render
- Images parameters updated for new renders
- Some code listings get more context
- Fix trivial code format issues
- Add missing code listings
- Side-by-side antialising illustration
- Fix source file name error for fig-1.09
- Change render image includes to use new names (coming in next commit)
- Improve code for distinct world material + geometry definitions
- Include render parameters for final scene

Author: hollasch