Backup fix

1.2.1 (2017-11-19)

• (bluefox) fix windows problem and storing of error messages
• (bluefox) fix logging level: silly
• (bluefox) fix dependency check
• (bluefox) fix small errors
• (bluefox) add repo commands to cli
• (bluefox) setTimeout(0) => setImmediate
• (bluefox) add timestamp and "from" information object
• (bluefox) allow to enable redis by setup
• (bluefox) catch backup errors
• (bluefox) ignore errors by setup first
• (bluefox) fix generate repository
• (bluefox) calculate number of datapoints in vis and deliver it in statistics
• (bluefox) fix restoring of backup