describe_tags
Merge branch 'master' into describe_tags
Update describe_tags to return {ok, _} or {error, Reason}
Add EDoc comments
update readme with example and reformat it as Markdown
Merge pull request #19 from talko/describe_tags

Add DescribeTags command
untabify all files
reindent all files with default emacs' erlang-mode indent rules:
- no tabs
- indent level = 4
merger with upsteram