Issue #154: Set window style using `#beToolWindow`
to indicate that the minirunner window is kind of support tool
rather than some X11 specific code (which does not work on Windows
of course)
See https://swing.fit.cvut.cz/projects/stx-jv/ticket/154
syntax: glob
*.so
*.H
*.o
*.STH
*.sc
*.class
*Init.c
*.base
*.orig
*.local
*.other
st.chg
makefile
smallsense/makefile