Adding writeCopy() to Realm
Adding a unit test
Merge branch 'master' of github.com:realm/realm-java into kg-writecopy

Conflicts:
	changelog.txt
	realm/src/androidTest/java/io/realm/RealmTest.java
Using the transaction (Group) to write a copy
Adding a compact() method to claimed free space in a realm file.
Change writeCopy signature and improve tests
update compact() javadoc
Moved methods
Update Realm.java
Rename compacting related methods
Merge remote-tracking branch 'origin/master' into kg-writecopy

Conflicts:
	realm/src/main/java/io/realm/Realm.java
Merge remote-tracking branch 'origin/master' into kg-writecopy

Conflicts:
	realm/src/androidTest/java/io/realm/RealmTest.java
Merge pull request #616 from realm/kg-writecopy

Adding writeCopy() to Realm