Added an example for PyQt5 (#389)

* added pyqt5 example

* fixed example path on build

* improved pyqt example

* simplified example

examples/cpp/RemoteTerm/RemoteTerm.pro

@@ -0,0 +1,34 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2017-10-31T00:37:59
+#
+#-------------------------------------------------
+
+QT       += core gui network
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = RemoteTerm
+TEMPLATE = app
+
+# The following define makes your compiler emit warnings if you use
+# any feature of Qt which as been marked as deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if you use deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+CONFIG += c++11
+
+SOURCES += \
+        main.cpp \
+    remoteterm.cpp
+
+HEADERS += \
+    remoteterm.h
+
+unix:!macx: LIBS += -lqtermwidget5