Eeschema bom scripts: move python scripts to eeschema/plugins/python_scripts and xsl scripts to subdir xsl_scripts.

Python scripts are now installed (previously: were ignored by the make install command)

eeschema/plugins/python_scripts/round_robin.py

@@ -0,0 +1,28 @@
+#
+# Example python script to generate an equivalent XML document from XML input
+#
+# Example: Round robin, XML to XML conversion
+#
+
+from __future__ import print_function
+
+# Import the KiCad python helper module and the csv formatter
+import kicad_netlist_reader
+import sys
+import pdb
+
+
+# Generate an instance of a generic netlist, and load the netlist tree from
+# the command line option. If the file doesn't exist, execution will stop
+net = kicad_netlist_reader.netlist(sys.argv[1])
+
+# Open a file to write to, if the file cannot be opened output to stdout
+# instead
+try:
+    f = open(sys.argv[2], 'w')
+except IOError:
+    e = "Can't open output file for writing: " + sys.argv[2]
+    print( __file__, ":", e, sys.stderr)
+    f = sys.stdout
+
+print(net.formatXML(), file=f)