Adding tests for average of long and float fields. Use core's average_X
metods directly.
Making it easier to change the number of objects in RealmResultsTest.
BUG FIX: https://github.com/realm/realm-java/issues/515
No tag.
Merge branch 'master' of github.com:realm/realm-java into kg-bugfix-too-many-query-conditions

Conflicts:
	changelog.txt
	realm/src/androidTest/java/io/realm/RealmResultsTest.java
Merge branch 'master' of github.com:realm/realm-java into kg-bugfix-too-many-query-conditions

Conflicts:
	changelog.txt
Minor update to the changelog
Merge pull request #517 from realm/kg-bugfix-too-many-query-conditions

[BUG FIX] too many query conditions