Inveon: ignore the absolute path to the image file

This prevents an exception from being thrown when the absolute path is
stored, but does not match the true absolute path to the image file.
ND2: ignore invalid image offsets

Fixes QA 7534, #11305.
Ignore namespaces when filling in an XMLAnnotation's Value

This prevents the xmlns on Value from being set to an empty string.
ND2: rework text annotation parsing so that dimensions are not overlooked

Fixes #12205.
ND2: set SizeT to the number of offsets if there is no dimension metadata

See #10773.
OME-TIFF: close helper readers when working with single-plane files

The reader will be left open if only a tile was read, but if the full
plane from a single plane file is read then the helper reader will be
closed.  This reduces the memory usage for datasets that consist of many
single plane files.

Fixes #12219.
Do not adjust offset count if only one offset is present
One more fix to prevent equal-size planes from being ignored
CZI: prevent NumberFormatExceptions on missing/invalid position values

Fixes QA 9382.
Change file closing check to look for lower-right-most tile
AFI: populate magnification and physical pixel size metadata

Fixes #12360.
add missing import
Fix channel metadata population for multi-series data
Merge pull request #1172 from melissalinkert/rebased/dev_5_0/inveon-path

Inveon: ignore the absolute path to the image file (rebased onto dev_5_0)
Merge pull request #1180 from melissalinkert/rebased/dev_5_0/originalmetadata-ns

Ignore namespaces when filling in an XMLAnnotation's Value (rebased onto dev_5_0)
Merge pull request #1182 from melissalinkert/nd2-part-3

Nikon .nd2 fixes, part 3
Merge pull request #1183 from melissalinkert/12219

OME-TIFF: close helper readers when working with single-plane files
Merge pull request #1186 from melissalinkert/qa9382

CZI: prevent NumberFormatExceptions on missing/invalid position values
Merge pull request #1188 from mtbc/afi-metadata

AFI: populate magnification and physical pixel size metadata (rebased from develop)