Crons can now be called from any directory and will be executed inside
their working directory. Allows for more flexibility, e.g. taking out
the statistics cron and running it directly.
* Added 3rd party logger library KLogger
* Adjusted all cronjobs from verbose output to logging
* Added new logs folder for crons to write to
* Added new .gitignore for logs folder data
* Updated blocks class to only fetch blocks with no share_id
* Adjusted findblocks to use no blocks class method
This will allow users to change the API url, added coinchose as an
example as pointed out by @vias79 .
* tools class detects the API type
* getPrice returns the price based on API URL parsed
Fixes#236
* Use tickerupdate.php cron to update setting value
* Added new configuration variables for ticket updates
* Added some missing configuration vars for some URLs
