Various fixups cleaning up after recent PRs

[mikaelarguedas]

• Updating instructions to fix broken demos (e.g. component IDs)
• update laser frame and laser scan generation to use forward pointing frame
• update confbot_security to allow component containers to be created
• update console output to match dashing packages behavior
• Add TODOs for regressions:
  • https://github.com/Karsten1987/roscon2018/commit/cda9a1d74584af24f5619e48c322b0fa75d32f63
  • https://github.com/Karsten1987/roscon2018/commit/71bb6e0fc3ff2444009b4f6264215b52599f4d36#diff-8adff0182dc7d7a358c7a45293a933b2R344
• Moved ROS1 bag replay in it's own subsection and added todo:
  • https://github.com/Karsten1987/roscon2018/compare/fixups?expand=1#diff-8adff0182dc7d7a358c7a45293a933b2R344

Fixes https://github.com/Karsten1987/roscon2018/issues/40

[mikaelarguedas]

Can't approve my own PR but feel free to merge this after https://github.com/Karsten1987/roscon2018/pull/48 @Karsten1987