update Indonesian translation on .po and .desktop file

po formatting updates with sh po-update.sh script
Update (id).mo files with po-compile.sh tools to /share/locale
Updade CHANGELOG for future 0.20 release

added Greek translation.
update Indonesian translation.
Updade CHANGELOG for future 0.20 release

polkit Makefile
added BuildRequires intltool package

for "Really use translations for polkit file"
update isodumper binary file

added comment Copyright
Update zh_TW.po

Update Traditional Chinese translation
Merge pull request #16 from yochenhsieh/patch-2

Update zh_TW.po
update it,nl,zh_TW,et translations on .po and .desktop file

po formatting updates with sh po-update.sh script
Update (it,nl,zh_TW,et).mo files with po-compile.sh tools to /share/locale
Updated Makefile files (polkit) and spec file

-Really use translations for polkit file
-drop "local" macro PREFIX on Makefile
-drop "PREFIX="%{_prefix}" macro on spec file
-use polkit binary generated with Makefile
-drop bin folder (use binary generated with Makefile)
replace all windows icon to icon "isodumper"

-instead of "gtk-execute" icon
modifications property on "GtkWindow" id="choose"

-added icon "isodumper" on window
-added title on window
-resize default size on window
-added property "border_width"
-added a tooltip on "GtkButton" id="backup_select"
po formatting updates with sh po-update.sh script

-for added a tooltip on backup "GtkButton" id="backup_select"
Update (fr).mo files with po-compile.sh tools to /share/locale

-for added a tooltip on backup "GtkButton" id="backup_select"
Update (nl).mo files with po-compile.sh tools to /share/locale

-for added a tooltip on backup "GtkButton" id="backup_select"