RFR: 8240256: Better resource cleaning for SunPKCS11 Provider [v3]

[Sean Coffey]

> Added capability to allow the PKCS11 Token to be destroyed once a session is logged out from. New configuration properties via pkcs11 config file. Cleaned up the native resource poller also.
> 
> New unit test case to test behaviour. Some PKCS11 tests refactored to allow pkcs11 provider to be configured (and tested) with a config file of choice.
> 
> Reviewer request @valeriepeng

Sean Coffey has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains five commits:

 - whitespace
 - Further 8240256 test clean up
 - Merge branch 'master' into JDK-8240256-pkcs11
 - Initial corrections from RFR
 - 8240256: Better resource cleaning for SunPKCS11 Provider

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Changes: https://git.openjdk.java.net/jdk/pull/3544/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3544&range=02
  Stats: 574 lines in 11 files changed: 467 ins; 68 del; 39 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3544.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3544/head:pull/3544

PR: https://git.openjdk.java.net/jdk/pull/3544