Moved some MXNet-related code from CNNArch2X to here

2 jobs for develop in 2 minutes and 18 seconds (queued for 4 minutes and 45 seconds)
Status Name Job ID Coverage
passed masterJobWindows #428968


failed BranchJobLinux #428969


Name Stage Failure
BranchJobLinux Linux
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project cnnarch-gluon-generator: Could not resolve dependencies for project de.monticore.lang.monticar:cnnarch-gluon-generator:jar:0.2.7-SNAPSHOT: The following artifacts could not be resolved: de.monticore.lang.monticar:cnnarch-generator:jar:0.0.3-SNAPSHOT, de.monticore.lang.monticar:cnn-arch:jar:0.3.2-SNAPSHOT, de.monticore.lang.monticar:cnn-arch:jar:grammars:0.3.2-SNAPSHOT: Could not find artifact de.monticore.lang.monticar:cnnarch-generator:jar:0.0.3-SNAPSHOT in se-nexus ( -> [Help 1]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1]
ERROR: Job failed: command terminated with exit code 1