#92 Move configuration

[zvezdochiot]

diff -r xournal-0.4.8/html-doc/manual.html xournal-0.4.8c/html-doc/manual.html
556c556
< <tt>~user/.xournal/config</tt> by using the "Save
---
> <tt>~user/.config/xournal/config</tt> by using the "Save
1390c1390
< ~/.xournal/config).</li>
---
> ~/.config/xournal/config).</li>
diff -r xournal-0.4.8/src/TODO xournal-0.4.8c/src/TODO
194c194
<    and on disk) (maybe a separate config file .xournal/gnome-print-settings)
---
>    and on disk) (maybe a separate config file .config/xournal/gnome-print-settings)
diff -r xournal-0.4.8/src/xournal.h xournal-0.4.8c/src/xournal.h
37c37
< #define CONFIG_DIR ".xournal"
---
> #define CONFIG_DIR ".config/xournal"