0.8

version 0.8:

• release updates
• add "raw" output option (without symbology prefix) to apps (req #2671863)
• fix Code 39 min length and document min/max configs (bug #2787925)
• fix zbar_image_free_data windows recursion loop (bug #2796277)
• fix uninitialized decoder configs (bug #2800163)
• switchover from subversion to mercurial