parser.py can read kres and/or ssj500k

dockerfiles/parser-env/Dockerfile

@@ -0,0 +1,3 @@
+FROM python
+
+RUN pip install lxml

dockerfiles/parser-env/README.md

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+You might want to mount this whole repo into the docker container.  
+Also mount data locations.  
+
+Example container:
+```bash
+$ docker build . -t my_python
+$ docker run \
+    -it \
+    -v /home/kristjan/git/cjvt-srl-tagging:/cjvt-srl-tagging \
+    -v /home/kristjan/some_corpus_data:/some_corpus_data \
+    my_python \
+    /bin/bash
+```