Removing debug trace
Migrating to Java 7 according to ProcessBuilder redirectOutput which
didn't exist previously. This is used when generating Dot/SVG files.
Making StringTemplate 3.2 API portable for Windows.
This fixes the multiple drives support issue where we would crash if
mindoc was ran from another drive than where the program and
its .stg files are stored.
The error message used to be:
String template error: no such group file st/frames/all_def_frames.stg
Error: Error while generating documentation: null