Adding unit test of RealmQuery.findFirst
Faster implementation of RealmQuery.findFirst
Update RealmQuery.java
Update RealmQuery.java
Update RealmQuery.java
Upgrading to core 0.85.1.
Why we upgrade to new core
Merge pull request #500 from realm/kg-core-0.85.1

Upgrading to core 0.85.1
Merge branch 'master' of github.com:realm/realm-java into kg-bug-findfirst

Conflicts:
	changelog.txt
Merge branch 'kg-bug-findfirst' of github.com:realm/realm-java into kg-bug-findfirst
Merge pull request #498 from realm/kg-bug-findfirst

RealmQuery.findFirst - unit test and faster implementation
Merge branch 'master' of github.com:realm/realm-java into kg-link-query
Updating changelog.