ChannelFeed:

- Sort the ChanMsgItems of the channel by date

ChanMsgItem:
- Fixed adding all files (SubFileItem) again by pressing the unsubscribe button (only in Friend Storm)
- Enable unsubscribe button only when channel is subscribed (only in Friend Storm)
- Fixed adding files with umlauts (utf8) on Windows
- Enabled Download and Play button in ChanMsgItem, when they are enabled in the SubFileItems

ftServer:
- Added the method alreadyHaveFile for use in the GUI - recompile of GUI needed

SubFileItem:
- Added state strings like LOCAL, REMOTE, ERROR, ... for translating


git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@3614 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/feeds/SubFileItem.h

@@ -70,14 +70,17 @@ public:
 	bool ready();
 	uint32_t getState();
 
+	bool isDownloadable(bool &startable);
+	bool isPlayable(bool &startable);
+
 public  slots:
 	void download();
+	void play();
 
 private slots:
 	void toggle();
 
   	void cancel();
-	void play();
 	void save();
 
 	void updateItem();