Copy publication.cfg to output/imxml to be picked up there

The rationale behind this is that with the tei2imxml, the
publication.cfg is created in this step and also dumped in output/imxml

src/eoatex2imxml.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8; mode: python -*-
-# Time-stamp: <2019-11-26 12:20:04 (kthoden)>
+# Time-stamp: <2019-11-26 12:35:10 (kthoden)>
 
 """
 Converts Latex files into a customized DocBook XML file.
@@ -196,6 +196,13 @@
 if not os.path.exists( DEBUG_DIR ):
     os.mkdir( DEBUG_DIR  )
 
+if os.path.exists(INPUT_DIR / "publication.cfg"):
+    shutil.copy(INPUT_DIR / "publication.cfg", OUTPUT_DIR)
+    logging.info(f"Copied from {INPUT_DIR}.")
+else:
+    logging.error(f"Found no publication.cfg in {INPUT_DIR}. Exiting")
+    sys.exit( 1 )
+
 # Copy Support-Files from /Library/MPIWG to current directory
 shutil.copy(SUPPORT_PATH / "classes.dtd", OUTPUT_DIR)
 shutil.copy(SUPPORT_PATH / "mathml2-qname-1.mod", OUTPUT_DIR)