[GEOS-6407]: Inspire plugin initializer fix
Fix failing RestConfig StyleTest due to file locking issues on Windows
OWS FilePublisherTest fails on Windows due to file encoding issues
Merge pull request #719 from dromagnoli/GEOT-6407-2.6.x-bkp

[GEOS-6407]: Inspire plugin initializer fix (backport to 2.6.x)