Drag and Drop v2 - Review for release on edx.org

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.cache
+.noseids
+nosetests.xml
+coverage.xml
+
+# Translations
+*.mo
+*.pot
+
+# Integration test output:
+/*.log
+/tests.*.png
+var/*
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# IDEs
+.idea
+.idea/*

.travis.yml

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+language: python
+sudo: false
+python:
+    - "2.7"
+before_install:
+    - "export DISPLAY=:99"
+    - "sh -e /etc/init.d/xvfb start"
+install:
+    - "sh install_test_deps.sh"
+    - "pip uninstall -y xblock-drag-and-drop-v2"
+    - "python setup.py sdist"
+    - "pip install dist/xblock-drag-and-drop-v2-2.0.0.tar.gz"
+script:
+    - pep8 drag_and_drop_v2 tests --max-line-length=120
+    - pylint drag_and_drop_v2 tests
+    - python run_tests.py
+notifications:
+    email: false
+addons:
+    firefox: "43.0"