Documentation fixes
Prefs: make checkbuttons insensitive
plugins: clean up some comments and inherited variables.
bugfix
FileChange: handle non-file glob matches.
setup: don't forget helper script
merge_window: disply directory for orphaned files.
Add a manpage
Add installation path config option
Hooking up manpage in GUI
Code cleanup, bugfixes, fix title
Movijng change to separate module