Makefile: included all the new sources

blockingClientTCPTransport.cpp: implementation

blockingTCP.h:
* class BlockingTCPTransport:
  - added Context to ctor
  - added 'virtual' declaration to overrides
  - 'priority' is now 'int16'
* added class 'BlockingClientTCPTransport'

blockingTCPConnector.cpp: implementation

blockingTCPTransport.cpp:
* removed 'transportRegistry' added 'context'

blockingUDP.h:
* added missing override 'getIntrospectionRegistry'
* 'BlockingUDPConnector::_priority' is now 'int16' instead of 'short'

blockingUDPConnector.cpp:
* 'connect' parameter priority is now 'int16' instead of 'short'
* fixed and added error logging

remote.h:
* added 'TransportRegistry' forward declaration
* added 'Transport::getIntrospectionRegistry' prototype
* changed 'Connector::connect' prototype parameter 'priority': 'short'->'int16'
* added 'Context' interface
* added 'ReferenceCountingTransport' interface

transportRegistry.h:
* added 'Transport' forward declaration

testRemoteClientImpl.cpp:
* added '#include <transportRegistry.h>' to fix compile error
* lots of auto-format changes

transportRegistryTest.cpp:
*

pvAccessApp/remote/blockingUDPConnector.cpp

@@ -25,7 +25,7 @@ namespace epics {
 
         Transport* BlockingUDPConnector::connect(TransportClient* client,
                 ResponseHandler* responseHandler, osiSockAddr* bindAddress,
-                short transportRevision, short priority) {
+                short transportRevision, int16 priority) {
             errlogSevPrintf(errlogInfo, "Creating datagram socket to: %s",
                     inetAddressToString(bindAddress).c_str());
 
@@ -59,11 +59,13 @@ namespace epics {
             retval = ::setsockopt(socket, SOL_SOCKET, SO_REUSEADDR, &optval,
                     sizeof(optval));
             if(retval<0) errlogSevPrintf(errlogMajor,
-                    "Error binding socket: %s", strerror(errno));
+                    "Error setting SO_REUSEADDR: %s", strerror(errno));
 
             optval = _broadcast ? 1 : 0;
             retval = ::setsockopt(socket, SOL_SOCKET, SO_BROADCAST, &optval,
                     sizeof(optval));
+            if(retval<0) errlogSevPrintf(errlogMajor,
+                    "Error setting SO_BROADCAST: %s", strerror(errno));
 
             // sockets are blocking by default