First shot at an Inno Setup installer
Tidy installer.iss, using #defines more
Update installer to use .net 4.5.1
Delete old nsi install script
Merge branch 'feature/innosetup' into develop

* feature/innosetup:
  Delete old nsi install script
  Update installer to use .net 4.5.1
  Tidy installer.iss, using #defines more
  First shot at an Inno Setup installer
Show 'your images' first
Update the README a bit
Update AMI to Ubuntu 12.04.3 LTS
Handle dropped connections somewhat more sanely

We still need an overlay or something saying 'reconnecting', but it'll do for now...
Disable the undo stack on logging textboxes, as they're a memory leak otherwise
Reduce logging on SingleAccessTaskScheduler
Remove snapshot-config URL from settings, as it's no longer used