Add two new external libraries. SimpleCrypt is used to encrypt passwords, QMQTT is an MQTT

library that I was able to integrate into the codebase so there aren't any external
dependencies. Both external projects have their own open source licenses. Those licenses
are included. Also in this commit is some preliminary work to start adding MQTT support to SavvyCAN.

SavvyCAN.pro

@@ -4,11 +4,12 @@
 #
 #-------------------------------------------------
 
-QT = core gui printsupport qml serialbus serialport widgets help
+QT = core gui printsupport qml serialbus serialport widgets help network
 
 CONFIG(release, debug|release):DEFINES += QT_NO_DEBUG_OUTPUT
 
 CONFIG += c++11
+CONFIG += NO_UNIT_TESTS
 
 DEFINES += QCUSTOMPLOT_USE_OPENGL
 
@@ -16,9 +17,22 @@ TARGET = SavvyCAN
 TEMPLATE = app
 
 SOURCES += main.cpp\
+    mqtt/qmqtt_client.cpp \
+    mqtt/qmqtt_client_p.cpp \
+    mqtt/qmqtt_frame.cpp \
+    mqtt/qmqtt_message.cpp \
+    mqtt/qmqtt_network.cpp \
+    mqtt/qmqtt_router.cpp \
+    mqtt/qmqtt_routesubscription.cpp \
+    mqtt/qmqtt_socket.cpp \
+    mqtt/qmqtt_ssl_socket.cpp \
+    mqtt/qmqtt_timer.cpp \
+    mqtt/qmqtt_websocket.cpp \
+    mqtt/qmqtt_websocketiodevice.cpp \
     re/dbccomparatorwindow.cpp \
     mainwindow.cpp \
     canframemodel.cpp \
+    simplecrypt.cpp \
     utility.cpp \
     qcustomplot.cpp \
     frameplaybackwindow.cpp \
@@ -77,7 +91,27 @@ SOURCES += main.cpp\
 HEADERS  += mainwindow.h \
     can_structs.h \
     canframemodel.h \     \
+    mqtt/qmqtt.h \
+    mqtt/qmqtt_client.h \
+    mqtt/qmqtt_client_p.h \
+    mqtt/qmqtt_frame.h \
+    mqtt/qmqtt_global.h \
+    mqtt/qmqtt_message.h \
+    mqtt/qmqtt_message_p.h \
+    mqtt/qmqtt_network_p.h \
+    mqtt/qmqtt_networkinterface.h \
+    mqtt/qmqtt_routedmessage.h \
+    mqtt/qmqtt_router.h \
+    mqtt/qmqtt_routesubscription.h \
+    mqtt/qmqtt_socket_p.h \
+    mqtt/qmqtt_socketinterface.h \
+    mqtt/qmqtt_ssl_socket_p.h \
+    mqtt/qmqtt_timer_p.h \
+    mqtt/qmqtt_timerinterface.h \
+    mqtt/qmqtt_websocket_p.h \
+    mqtt/qmqtt_websocketiodevice_p.h \
     re/dbccomparatorwindow.h \
+    simplecrypt.h \
     utility.h \
     qcustomplot.h \
     frameplaybackwindow.h \