Improve logging behaviour
Log to Logs/neo-journal_20140806.log and check for log_mode when running Neo\Debugger::append() which is run by the shortcut Neo\neo().
Singleton log file pointer to avoid opening and closing the same file for each writing to journal.
Log mode is now false by default.
Add a nice ascii art logo to the minimal template.
Add a screenshot to readme:getting started
Write some lines to readme:getting started