Fix up so image links work properly

Tools/px4airframes/markdownout.py

@@ -28,7 +28,7 @@ class MarkdownTablesOutput():
             image_name = group.GetImageName()
             result += '<div>\n'
             if image_name != 'AirframeUnknown':
-                result += '<img src="../images/airframes/types/%s.svg" width="29%%" style="max-height: 180px;"/>\n' % (image_name)
+                result += '<img src="../../assets/airframes/types/%s.svg" width="29%%" style="max-height: 180px;"/>\n' % (image_name)
 
             # check if all outputs are equal for the group: if so, show them
             # only once

Tools/px_process_airframes.py

@@ -63,7 +63,7 @@ def main():
                              " (default FILENAME: airframes.xml)")
     parser.add_argument("-m", "--markdown",
                         nargs='?',
-                        const="airframes.md",
+                        const="airframe_reference.md",
                         metavar="FILENAME",
                         help="Create Markdown file"
                              " (default FILENAME: airframes_reference.md)")