[TryMOS] Rename startup scripts and location

* Fix getting storage networks
* Make variables modular
* Drop hardcoded sleep in wait

Related-Prod: PRODX-3456
Change-Id: Ibd7aece3bd6262d2ad579d20e87d8af661cef3d9
diff --git a/trymos/heat-templates/env/aio.yaml b/trymos/heat-templates/env/aio.yaml
index 21c5226..7fc1f5c 100644
--- a/trymos/heat-templates/env/aio.yaml
+++ b/trymos/heat-templates/env/aio.yaml
@@ -3,7 +3,7 @@
   "MCP2::SrvInstances": ../fragments/SrvInstancesVM.yaml
 
 parameters:
-  image: trymos-bionic-amd64-20210318-154934
+  image: trymos-bionic-amd64-6.12.0-20210322124800
   public_net_id: public
   cluster_public_key: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCp0evjOaK8c8SKYK4r2+0BN7g+8YSvQ2n8nFgOURCyvkJqOHi1qPGZmuN0CclYVdVuZiXbWw3VxRbSW3EH736VzgY1U0JmoTiSamzLHaWsXvEIW8VCi7boli539QJP0ikJiBaNAgZILyCrVPN+A6mfqtacs1KXdZ0zlMq1BPtFciR1JTCRcVs5vP2Wwz5QtY2jMIh3aiwkePjMTQPcfmh1TkOlxYu5IbQyZ3G1ahA0mNKI9a0dtF282av/F6pwB/N1R1nEZ/9VtcN2I1mf1NW/tTHEEcTzXYo1R/8K9vlqAN8QvvGLZtZduGviNVNoNWvoxaXxDt8CPv2B2NCdQFZp
   private_floating_network_cidr: '10.11.12.0/24'