Add Auto header detection to Populate_Metadata.py

[muhanadz]

I noticed that much of the work ome/omero-metadata#67 to create an auto header detecting method and allow NaNs was not propagated to the Populate_Metadata.py script.

This PR proposes adding this functionality such that the header type is automatically detected and "allow_nan" is an option.

To test, use a working CSV without header type defined such as:

image,dataset,ROI_Area,Channel_Index,Channel_Name
3659,1451,0.0469,1,DAPI
3686,1451,0.142,2,GFP-AuroraB
3746,1451,0.093,3,TRITC-edit

Without PR, all the columns should be StringColumn. With PR:

"ImageColumn",
"DatasetColumn",
"DoubleColumn",
"LongColumn",
"StringColumn",
"StringColumn"

if a #header row is defined in the CSV, it should always take precedence over the auto-detection.

[sbesson]

My main concern with the proposed implementation is the brittle nature of using nested imports to try and bisect the version of the omero-metadata package.

With the modern Python requirements (Python 3.10+) of the OMERO environment, we should be able to use standard libraries such as importlib.metadata for introspecting the presence and the version of the omero-metadata package and packaging for checking the minimal version

>>> from importlib.metadata import version
>>> from packaging.version import Version
>>> version('omero_metadata')
'0.13.0'
>>> Version(version('omero_metadata')) >= Version('0.11')
True
>>> Version(version('omero_metadata')) >= Version('0.14')
False
>>> 

A second question is: what should happen if the minimal requirements are not met. This PR maintains the current statu quo of supporting multiple paths (no omero-metadata, omero-metadata<0.11 and omero-metadata>=0.11).
An alternative thought especially in the context of the upcoming OMERO.server 5.7.0 milestone would be to put a hard requirement of this script on omero-metadata 0.11+ being installed server-side and make sure this is documented appropriately

[sbesson]

Given the modern Python requirements (Python 3.10+), I wonder if we want to start using importlib.metadata for introspecting the package version and packaging for checking a minimal version

>>> from importlib.metadata import version
>>> from packaging.version import Version
>>> version('omero_metadata')
'0.13.0'
>>> Version(version('omero_metadata')) >= Version('0.11')
True
>>> Version(version('omero_metadata')) >= Version('0.14')
False
>>>