fixed compilation bug for boost < 1.49 and boost 1.49 with gcc 4.7

I2PControl.cpp

@@ -1,11 +1,15 @@
-#include "I2PControl.h"
+// There is bug in boost 1.49 with gcc 4.7 coming with Debian Wheezy
+#define GCC47_BOOST149 ((BOOST_VERSION == 104900) && (__GNUC__ != 4) && (__GNUC_MINOR__ != 7))
 
+#include "I2PControl.h"
 #include <sstream>
 #include <boost/lexical_cast.hpp>
 #include <boost/date_time/local_time/local_time.hpp>
 #include <boost/date_time/posix_time/posix_time.hpp>
 #include <boost/property_tree/ptree.hpp>
+#if !GCC47_BOOST149
 #include <boost/property_tree/json_parser.hpp>
+#endif
 #include "Log.h"
 #include "NetDb.h"
 #include "RouterContext.h"
@@ -111,7 +115,12 @@ namespace client
 	void I2PControlService::ReadRequest (std::shared_ptr<boost::asio::ip::tcp::socket> socket)
 	{
 		auto request = std::make_shared<I2PControlBuffer>();
-		socket->async_read_some (boost::asio::buffer (*request),                
+		socket->async_read_some (
+#if BOOST_VERSION >= 104900
+			boost::asio::buffer (*request),  
+#else
+			boost::asio::buffer (request->data (), request->size ()), 
+#endif              
 			std::bind(&I2PControlService::HandleRequestReceived, this, 
 			std::placeholders::_1, std::placeholders::_2, socket, request));
 	}
@@ -142,8 +151,12 @@ namespace client
 						return; // TODO:
 					}
 				}
+#if GCC47_BOOST149
+				LogPrint (eLogError, "json_read is not supported due bug in boost 1.49 with gcc 4.7");
+#else
 				boost::property_tree::ptree pt;
 				boost::property_tree::read_json (ss, pt);
+
 				std::string method = pt.get<std::string>(I2P_CONTROL_PROPERTY_METHOD);
 				auto it = m_MethodHandlers.find (method);
 				if (it != m_MethodHandlers.end ())
@@ -161,6 +174,7 @@ namespace client
 				}	
 				else
 					LogPrint (eLogWarning, "Unknown I2PControl method ", method);
+#endif
 			}
 			catch (std::exception& ex)
 			{
@@ -187,7 +201,11 @@ namespace client
 		pt.put ("jsonrpc", "2.0");		
 
 		std::ostringstream ss;
+#if GCC47_BOOST149
+		LogPrint (eLogError, "json_write is not supported due bug in boost 1.49 with gcc 4.7");
+#else
 		boost::property_tree::write_json (ss, pt, false);
+#endif
 		size_t len = ss.str ().length (), offset = 0;
 		if (isHtml)
 		{