Web RememberMe and Guice Enhancements

[lprimak]

Shiro-web RememberMe cookie and Guice enhancements

*** IMPORTANT ***

• *** Committers: Use "Rebase and Merge" to combine all commits into one when merging a PR when appropriate.

Following this checklist to help us incorporate your contribution quickly and easily:

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In this case, just format the pull request title like [DOC] - Add javadoc in SessionManager.

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[lprimak]

Thank you Steinar!