Updated gitattributes for larger XML files. Refs #7639.
Suppressed a couple of compiler warnings. Refs #7639.
Improved login error output for ICAT3 and ICAT4. Refs #7639.
Improved exception handling in `ICat4Catalog.cpp`. Refs #7639.
Improved logout error message for ICAT. Refs #7639.
Inform user where download file is being saved to. Refs #7639.
Merge remote-tracking branch 'origin/feature/7639_Add_support_for_ICAT4_interface'