Improve log collection script

[jadarsie]

Required

• Validate user has azure-cli installed (Adding Log-in into AzureCLI #93)
• Script queries VM info using resource group name (Log collector get master ip from resource group #98 Log Collector Get Agent Ips using resource group #110)
• Script can optionally create a SA storage account and container (Log Collector create storage account #100)
• Script can optionally upload logs to a SA (Log collector copies daemon logs to SA directory #104 Log Collector Upload logs to SA #107)
• Use zip instead of gzip (Log collector zips sa files #106 Log collector zip compression #111)
• Script uploads apimodel
• Needs to work offline (K8s logs local script #86 Log collector does not download scripts #88)
• Log files date UTC time (change time format of journal logs #87)
• Add pod/container metadata to log files (Log collector returns multi-file cluster snapshot #89 Log collector prepends metadata to container logs #95)
• Validate azure-cli profile

Optional

• Backing-up/restoring private keys sometimes fails, pass -i to all scp/ssh commands (Log collector passes inline flags instead of updating the fs #92)
• Backing-up/restoring ssh config sometimes fails, use the inline proxy jump flag (Log collector passes inline flags instead of updating the fs #92)