started a seperate branch to manage translations for v0.3.x based on tags/v0.3.4.2

fixed corrupt language.hdf file for "volume_passwd" (merged from [891])
fixed spelling in "plugin_manager" and "volume_format_fs" (merged from [880])
merged current state of update_po_files.py (removed obsolete revert_unchanged.sh)

translation-base-v0.3/plugins/volume_chpasswd/language.hdf

@@ -0,0 +1,39 @@
+Name	= Change volume password
+Link	= Password
+
+Title {
+	ChangePassword	= Change the password of this volume
+}
+
+
+Button {
+	ChangePassword	= Change password
+}
+
+
+Help.Password	= You can easily change the password of an encrypted volume. Just enter the current password and type your new password twice. No data will get lost.
+
+
+AdviceMessage {
+	FormatForEncryptionSupport {
+		Text	= This volume is not encrypted. If you want to turn on encryption, then you have to format the volume. Beware: this will erase all data from this volume.
+		Link.Text	= Format this volume
+		Link.Rel 	= volume_format_fs
+	}
+}
+
+
+SuccessMessage {
+	PasswordChange {
+		Title	= Password changed
+		Text	= The password of this volume was changed successfully.
+	}
+}
+
+
+WarningMessage {
+	PasswordChange {
+		Title	= Could not change password
+		Text	= The password of this volume could not be changed - sorry!
+	}
+}