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/ChannelFeed.cpp

@@ -672,6 +672,11 @@ void ChannelFeed::updateChannelListOther(std::list<std::string> &ids)
 	}
 }
 
+static bool sortChannelMsgSummary(const ChannelMsgSummary &msg1, const ChannelMsgSummary &msg2)
+{
+	return (msg1.ts < msg2.ts);
+}
+
 void ChannelFeed::updateChannelMsgs()
 {
 	if (!rsChannels)
@@ -744,6 +749,8 @@ void ChannelFeed::updateChannelMsgs()
 
 	rsChannels->getChannelMsgList(mChannelId, msgs);
 
+	msgs.sort(sortChannelMsgSummary);
+
 	for(it = msgs.begin(); it != msgs.end(); it++)
 	{
 		ChanMsgItem *cmi = new ChanMsgItem(this, 0, mChannelId, it->msgId, true);