8164689: Retrofit jar, jlink, jmod as a ToolProvider
Reviewed-by: alanb, lancea

8081347: Add @modules to jdk_core tests
Reviewed-by: alanb, joehw, lancea
Contributed-by: alexander.kulyakhtin@oracle.com, alan.bateman@oracle.com, mandy.chung@oracle.com

7175845: jar uf changes file permissions unexpectedly
7177216: native2ascii changes file permissions of input file
Summary: undo the File.createTempFile change in jar and native2ascii
Reviewed-by: asaha