File driver engine now add PK column
Fix unit test
SHPREAD add a primary key
DBFREAD add a primary key
Fix unit test
Check for PK duplicate name on DBFREAD and SHPREAD
Javadoc [ci skip]
Merge pull request #405 from nicolas-f/feature/driver_gid

Add PK column on FileDriver and SHPREAD DBFREAD
Merge irstv/master into improve_delaunay