Last Call Comments Resolution for IPP/2.0

0)  Global - do NOT use "IPP/2.x" - instead use "IPP/2.0 and higher" or
    "IPP/2.0 and IPP/2.1" (as appropriate) to avoid ambiguity

    - DONE

0)  Global - Add table numbers and captions

    - DONE

0)  Global - Highlight all notes to PWG Secretary for CS publication

    - DONE

1)  Move description of printing environments to Section 1 Introduction
    from section 2 Terminology and clearly label as informal

    - DONE - added Section 1.1 New IPP Versions

2)  Rewrite section 2 completely

    - DONE - added Conformance Terminology and Printing Terminology

3)  Remove '(Informative)' from title of Section 3 Requirements

    - DONE

4)  Correct reference in Section 3.2 Use Models for comment (1)

    - DONE

5)  Correct number of IPP PSX to '5100.yy' in Section 4.4 Version 2.1
    (and globally)

    - DONE

6)  Reduce Validate-Job to OPTIONAL in Section 5.2 IPP/2.0 Operations;
    add note explaining rationale (doesn't validate Job document data)

    - DONE

7)  Restore Validate-Job to REQUIRED in section 5.3 IPP/2.1 Operations;
    add note explaining rationale (for strict IPP/1.1 compatibility and
    and Create-Job/Print-Job in IPP/2.1 make it trivial to implement)

    - DONE

8)  Missing and empty rows in table in Section 6.2 IPP/2.0 Attributes
    (cut-and-paste regression losses - check earlier drafts)

    - DONE

9)  Notes at bottom of Section 6.2 should reference "IPP/2.x";
    changed to "IPP/2.0 and higher" for clarity (see comment (0) above)

    - DONE

10) Add notes to sections 6.2 and 6.3 explaining why media-ready and
    media-col-ready are NOT required (cannot support in remote spooler)

    - DONE

11) Correct text color from grey to black in Sections 7.3 and 7.4

    - DONE

12) Move TLS portion of Section 7.3 to new Section 7.4 IPP over TLS

    - DONE

13) Remove "For example" in normative part of Section 7.5 (former 7.4)
    and change second (a) and (b) to (c) and (d)

    - DONE

14) Updated email address for Harry Lewis and add for Ron Bergman in
    Section 12

    - DONE