Add Jython coverage support. Thanks to @testInord. https://github.com/baztian/jaydebeapi/pull/17#issuecomment-275192869

ci/run_coveralls.py

@@ -4,16 +4,25 @@
 http://stackoverflow.com/a/33012308/1960601
 """
 
+import json
 import os
+import pickle
 import sys
 
 from subprocess import call
 
+def convert_old_coverage_to_new(filename):
+    with open(filename, "rb") as inp_file:
+        coverage_results = pickle.load(inp_file)
+    main_results ={"lines": coverage_results['lines']}
+    with open(".coverage","w") as out_file:
+        out_file.write("!coverage.py: This is a private format,"
+                       "don't read it directly!")
+        out_file.write(json.dumps(main_results))
 
 if __name__ == '__main__':
     if sys.platform.lower().startswith('java'):
-        print("Export to coveralls skipped for Jython")
-        sys.exit(0)
+        convert_old_coverage_to_new(".coverage")
     if 'TRAVIS' in os.environ:
         rc = call('coveralls')
         raise SystemExit(rc)