Merge branch 'release-0.6' into develop
Merge pull request #2 from Fvwm-Nightshade/master

Merge branch 'release-0.6'
prepared to 0.7 develop
add two feature entries for better understanding
fix typo in website
add localization support
updated
fix bug that themes/layouts ended with 't' can't use
updated
add locale install/uninstall support
add locale directory
change LocalePath that locales will be found in the correct places
updated
updated
adapt or delete locale entries
updated
change FuncShowMessage, FuncWindowCreateScreenshot amd FuncWindowCreateScreenshot to work correctly with translations
add hotkeys in MenuWindowGroupQuickMove and MenuWindowMoveTo
update localization files
updated