v35

• Deprecated old option parser
• Major improvements on dumps and assert-ids (av1-isobmff and av1-avif)
• Add J2K #75
• Add 'iinf' ordering check #86 before updating the ISOBMFF specification to make it a normative statement
• Clarify HEIF file suffixes #87
• Fix AV1-ISOBMFF text mistmatches #85
• iloc: put construction_method at zero when not parsed (box version = 0) #82
• isobmff: improve chunk support
• isobmff: fix sample offset computation
• av1 configs: fix consistency issues
• heif: ispe checks only apply to Image Items #74