Changed directory structure and renamed applications

- autopilot -> drone_controller
- rtsp_ai_player -> ai_controller
- added top level qmake project file
- updated documentation
- moved small demo applications from tmp/ to misc/

drone_controller/drone_controller.pro

@@ -0,0 +1,33 @@
+QT = core
+CONFIG += cmdline
+
+# Reduce compiler warnings from the ArduPilot headers
+QMAKE_CXXFLAGS += -Wno-address-of-packed-member -std=gnu++1z
+
+# MAVSDK pkg-config file is garbage. Add dependency manually
+QMAKE_RPATHDIR += /usr/local/lib
+INCLUDEPATH += /usr/local/include/mavsdk
+LIBS += /usr/local/lib/libmavsdk.so
+
+SOURCES += \
+        az_action_point.cpp \
+        az_coordinate.cpp \
+        az_drone_controller.cpp \
+        az_drone_controller_plane.cpp \
+        az_mission.cpp \
+        az_mission_controller.cpp \
+        az_utils.cpp \
+        main.cpp
+
+target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
+
+HEADERS += \
+    az_action_point.h \
+    az_config.h \
+    az_coordinate.h \
+    az_drone_controller.h \
+    az_drone_controller_plane.h \
+    az_mission.h \
+    az_mission_controller.h \
+    az_utils.h