renamed example.rb -> example.simple+stdout.rb

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
improvement: correctly ordered log levels (now: ... warn ok section error ...)

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
bugfix: prevent duplicate entries of stdout appender + prevent removal of other appenders when initializing zlog stdout

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
added an example to demonstrate file logging via json (vanilla logging functionality)

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
bugfix: don't set root log level when initializing stdout logger; make sure logging to other appenders is not affected here

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
version bump to 0.7

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>