Load and write extra Tables and columns

[Hitogoroshi]

In OIFitsLoader, loader does not support Tables and columns that are not in the standard. it's throws the rule: OIFITS_TABLE_UNKNOWN or COL_UNKNOWN.
The ideal would be able to load these Tables and columns (even without analyzing them) so the users find their all information.

• Create metadata for the descriptors in the Tables.
• For columns create a column descriptor and add them.
• Create metadata and adding descriptors makes these unknown Tables and columns run automatically.

[bourgesl]

gravity_tables.log
matisse_LM_L2_load.log
matisse_LM_L1_load.log
Samples GRAVITY, MATISSE L1, L2