Testing of AAI in CSIT-style regression tests
Testing of connectivities in AAI for CCVPN use case
Ignore project file of RED tool
Expand AAI properties to distinguish different AAI versions
Fix bugs in aai_interface.robot

Change-Id: Ie459e29aeb44840989360dd2da6858096fcfd358
Issue-ID: AAI-2208
Signed-off-by: Keong Lim <keong.lim@huawei.com>