AAI-2208 Add robot test cases for CCVPN use case

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>
diff --git a/robot/resources/aai/api_version_properties.robot b/robot/resources/aai/api_version_properties.robot
new file mode 100644
index 0000000..17ba9de
--- /dev/null
+++ b/robot/resources/aai/api_version_properties.robot
@@ -0,0 +1,12 @@
+*** Settings ***
+Documentation        store all properties that can change or are used in multiple places here
+...                    format is all caps with underscores between words and prepended with AAI
+...                   make sure you prepend them with AAI so that other files can easily see it is from this file.
+
+
+*** Variables ***
+${AAI_AMSTERDAM_INDEX_PATH}    /aai/v11
+${AAI_BEIJING_INDEX_PATH}    /aai/v13
+${AAI_CASABLANCA_INDEX_PATH}    /aai/v14
+${AAI_DUBLIN_INDEX_PATH}    /aai/v16
+