Fix python style issues reported by flake8
Additionally some python2-only "print" statements are now compatiblewith python3.
Plugin btcguild_hashrate_: fix code style issues reported by flake8
Plugin bitcoind_: unify error output
Plugin bitcoind_: demystify "autoconf" handling
Plugin bitcoind_: unify exit behaviour
Plugin bitcoind_: improve style
Plugin bitcoind_: use defaults for missing environment variables
Previously undefined environment variables were treated as "None" instead of using the supplied defaults (e.g. for "rpchost" or"rpcport").
Plugin bitcoind_: fix POST request body format
Python3 mandates "bytes" as the request body data type.
Plugin bitcoind_: fix base64 encoding for credentials
Python2.7 (as well as Python3.x) refused to execute the previously usedencoding (`foo.encode('base64')`). It is unknown, whether it workedbefore with an older Python version.
Plugin bitcoind_: introduce explicit configuration file path
The home directory of the currently effective UID cannot be easilyinferred in python via os.path.expanduser. Since there is no othersimple way for reaching this goal, an explicit environemnt setting is...
Plugin bitcoind_: improved error output
Plugin bitcoind_: retrieve debug state from environment
Plugin bitcoind_: switch to Python3
Plugin bitcoind_: fix flake8 and python3 issues
Plugin bitcoind_: reformat documentation header
plugin categories: other -> htc (crypto currencies)
Revert "Change category of currency-related plugins from 'other' to 'htc'"
This reverts commit a48cf873338cc13d9a9239fef5d9a1326a98c9a3.
see the discussion: https://github.com/munin-monitoring/contrib/pull/855(the term 'htc' is probably too unknown and not really suitable)
Change category of currency-related plugins from 'other' to 'htc'
some categories were changed erroneously before: https://github.com/munin-monitoring/contrib/pull/855
change bitcoin category from htc to other
move bitcoin to currency folder
