Enters the session name in Route53 as an A record in the format {session_name}.lab.tetration.guru
launch.py checks for the session name in Route53 to make sure it isn't already in use
fixed an issue where the dns-updater lambda CFT failed to create. When using an S3 bucket to store the code for a lambda function, the bucket must be in the same region as the function. Created a new bucket in the same region to deal with this.
add all instance public IP addresses and hostnames to Route53
add DNS entry for sock shop
Updated Guacamole URL to point to DNS name in report
Updated sock-show URL to point to DNS name in report
changed scheduler frequency from 5 minutes to 1 minute
Delete the scheduler from the account if no more sessions are present