Bumped the snapshot version to 2.1.

Change-Id: Ie9faac89a710b72af7b8e88d905041fd32ae611c
Updated dANN
Project: dANN-examples  69b6f3905d19ae709385a8fda45696ad357c5dfa

Bumped the snapshot version to 2.1.

Change-Id: I0a614ed4529d04799bb4848f7d1525b705b2cf25
Updated dANN
Project: dANN-core  a18421a6327b5db31f8d4f977a32e4d916c91d25

Bumped the snapshot version to 2.1.

Change-Id: Ib6574fdfaa9b09ce311990eff5dc8b5fce760aa2