Additional Typos in 21-049 pdf

[dpatil-fw]

https://github.com/opengeospatial/poi/blob/main/21-049/21-049.pdf

page 55, A.1.4.2. Termination Date
fix terminatyiondate at REQUIREMENT /req/core/abstractfeature-terminatyiondate

page 63, A.1.6.3. POI_Payload Feature Of Interest
hasFeatureOfinterest, should be featureOfinterest

page 79, Table B.21 — Namespace Class -> 'constrains constraints'
remove redundant

page 43, 53 -> 'identifer' typo to identifier'

page 61 -> Modify 'Validate that zero of more hasPayload' to 'Validate that zero or more hasPayload'

page 79 -> a get Obejct operation -> 'Obejct' typo

[cmheazel]

Page 55 - typo fixed
Page 43 - typo fixed
Page 61 - typo fixed
Page 79 (2 instances) - imported from the ISO model.
Page 53 - imported from the ISO model
Page 63 - will require more work to validate consistent use of the hasFeatureOfInterest association.

[cmheazel]

Page 63 - validated correct use of the hasFeatureOfInterest association