ported addSyript and other small stuff

apps/bookmarks/appinfo/app.php

apps/bookmarks/index.php

apps/calendar/appinfo/app.php

apps/calendar/index.php

apps/calendar/settings.php

apps/contacts/appinfo/app.php

apps/contacts/index.php

apps/external/settings.php

apps/files/index.php

apps/files/settings.php

apps/files/templates/admin.php

apps/files_archive/appinfo/app.php

apps/files_encryption/settings.php

apps/files_imageviewer/appinfo/app.php

apps/files_pdfviewer/appinfo/app.php

apps/files_sharing/appinfo/app.php

apps/files_sharing/list.php

apps/files_sharing/settings.php

apps/files_texteditor/appinfo/app.php

apps/files_versions/appinfo/app.php