This MR implements the following clean up actions:
AMC13Readout application in the gem::readout namespaceAMC13Manager application into the gem::hardware namespaceIt was also noticed that not all struct fields in the example xDAQ configuration were matching the application names. Fixing it.
Addresses the first part of #46 (closed), i.e. moving the AMC13Readout application into the gem::readout namespace.
Applications can still be launched.