Added JS wrappers for ImageStore and ImageEditor

Summary:
public
Added JS wrappers for ImageStore(Manager) and ImageEditor(Manager) so they can be required in the normal way instead of accessed directly via NativeModules.

Reviewed By: dmmiller

Differential Revision: D2773822

fb-gh-sync-id: 6eeafd3f80a87b1b91a04a2aebad6e2fd31b0e98

Examples/UIExplorer/TransformExample.js

@@ -10,6 +10,7 @@
  * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * @flow
  */
 'use strict';