* fixed disc usage calculation

* enhanced ssl cert README
* centered view of log download button

README.ssl

@@ -8,7 +8,7 @@ Below you will find detailed descriptions on how to set up an encrypted
 connection to the webinterface:
 	- use the plugin "encrypted_webinterface"
 	- run the CryptoBox webserver behind an ssl-enabled webserver 
-	- use stunnel to provide an SSL socket
+	- use stunnel or stunnel4 to provide an SSL socket
 	- use the a proxy server (e.g. pound)
 	- ...
 
@@ -25,16 +25,18 @@ need encrypted http connections.
 
 	The plugin does the following during startup of the CryptoBox:
 		- create a self-signed X.509 certificate if necessary
-		- run stunnel on port 443 (https) with this certificate
+		- run stunnel4 from port 80 to 443 (https) with this certificate
 	
-	Now you just need to point your browser to the URL of the CryptoBox with
-	'https' instead of 'http' and to accept the certificate permanently
-	(the Internet Explorer is not capable of doing this - use Firefox,
-	Konqueror, Safari, ... instead, if you need this ability). That's it!
-
 	Of course, this will not work, if the port 443 is already in use by
 	another program - in this case, you should better choose one of the
-	other solutions described below.
+	solutions described below.
+
+	Now, you need to point your browser to the URL of the CryptoBox with
+	'https' instead of 'http'. Or just follow the "Use encrypted
+	connection" link that appears, if you use plain http.
+
+	For a finer tuned certifacte follow the steps under "CryptoBox
+	behind stunnel".
 
 
 -------------------------------------------------------------------
@@ -62,7 +64,7 @@ need encrypted http connections.
 
 3) CryptoBox behind stunnel (configured manually)
 	You may want to tunnel the traffic between the cryptobox-server
-	and your browser. "stunnel" is an excellent candidate for this job.
+	and your browser. "stunnel" or "stunnel4" are excellent candidates for this job.
 
 	If you do not have an ssl certificate yet, then you should create
 	one first. On Debian: "apt-get install ssl-cert" and run the following

plugins/logs/show_log.cs

@@ -65,11 +65,15 @@
 			/if ?>
 		</table>
 	<?cs call:print_form_header("download-log", "downloads/logs") ?>
+		<p style="text-align:center">	
 		<button type="submit" value="refresh"><?cs
 			var:html_escape(Lang.Plugins.logs.Text.DownloadLogFile) ?></button>
+		</p>
 	</form>
 	<?cs else ?>
+		<p style="text-align:center">	
 		<?cs call:hint("Plugins.logs.EmptyLog") ?>
+		</p>
 	<?cs /if ?>
 
 </div>

src/cryptobox/web/dataset.py

@@ -144,8 +144,10 @@ class WebInterfaceDataset(dict):
 				self["Data.CurrentDisk.size"] = cbxTools.get_blockdevice_size_humanly(
 						container.get_device())
 				if is_mounted:
+					self.cbox.log.debug("FOO:")
 					(size, avail, used) = container.get_capacity()
-					percent = used / size
+					percent = int(used)*100 / int(size)
+					self.cbox.log.debug(percent)
 					self["Data.CurrentDisk.capacity.used"] = used
 					self["Data.CurrentDisk.capacity.free"] = avail
 					self["Data.CurrentDisk.capacity.size"] = size