Upgrade Spring boot to 2.0.2.RELEASE and spring security to 2.3.3.RELEASE#8

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danapsimer wants to merge 6 commits intoMert-Z:masterfrom

danapsimer:master

Commits on Sep 14, 2018

added settings to allow releasing as a library
danapsimer
committed

Commits on Sep 17, 2018

upgraded code to work with latest spring boot, spring data, and cassandra driver
danapsimer
committed
got off of spring boot as this is a library not an application
danapsimer
committed

Commits on Sep 18, 2018

converted autowiring to use ctor for CassandraTokenStore
danapsimer
committed

Commits on Sep 19, 2018

removed OAuthUtil.objectMapper Bean so that client applications and specify their own
danapsimer
committed

Commits on Sep 20, 2018

added .DS_Store to .gitignore
danapsimer
committed