WindMaster 4.14.8

WindMaster 4.14.8 with the following features and error corrections compared to 4.14.7:

• Fix problem with "Out Of Memory" error message when plotting curve
• Enable maps with zero-size jpeg-files
• Better checks and error handling when faulty tile files
• Balloons SE-ZOT("#+"), SE-ZOU("#*") and VH-ROI("#)") added