Modify readme and delete 'read_only' directory. #285
Merge branch 'master' of github.com:nilmtk/nilmtk

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Merge branch 'master' of github.com:nilmtk/nilmtk

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
#
# Lines starting with '#' will be ignored, and an empty message aborts
# the commit.