Update submodules -- see details

Noticed this slightly after the 1.0.0 release, and so this commit will be slightly out of sync with the submodule commit in the release build: http://factory.couchbase.com/view/build/view/mobile_dev/view/android/job/build_cblite_android_100/74/
Update java-core submodule to point to 1.0.1 release tag
Merge branch 'release/1.0.3' into stable

Conflicts:
	libraries/couchbase-lite-java-core
Update submodule
Verify replication.getDocIds() returns correct val

https://github.com/couchbase/couchbase-lite-java-core/issues/307
Merge branch 'feature/issue_307_repl_docids'