8160018: (fs) Remove GioFileTypeDetector on Solaris
Summary: Remove the GioFileTypeDetector from the chain of FileTypeDetectors provided by SolarisFileSystemProvider.
Reviewed-by: rriggs

8155775: Re-examine naming of privileged methods to access System properties
Reviewed-by: mullan

8154231: Simplify access to System properties from JDK code
Reviewed-by: rriggs, chegar, weijun

8133987: (fs) Rename GnomeFileTypeDetector to GioFileTypeDetector
Summary: Rename class and associated native file as indicated and fix some related comments in the source and test.
Reviewed-by: alanb

8054834: Modular Source Code
Reviewed-by: alanb, chegar, ihse, mduigou
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com