0027398: Integrate Qt Browser Widget to Open CASCADE Technology

The following implementation has been made:
- CMake procedure is extended to compile Qt tools. This is optional and is handled by USE_QT_TOOLS option(OFF by default)
- It is possible to build Qt tools using Qt5 or Qt4, it is settled with USE_QT4 option.
- Sample of DFBrowser tool is available in samples/tools/TInspectorEXE. It is build with tools, executable is placed in binaries. To start the sample, use dfbrowser.bat command.
- DFBrowser tool may be started from DRAW

samples/tools/TStandalone/adm/cmake/standalone_macros.cmake

@@ -0,0 +1,33 @@
+#freeimage
+
+macro (FIND_SOURCES_AND_HEADERS_FILES CURRENT_SOURCES_DIR SOURCE_FILES HEADER_FILES)
+  if (EXISTS "${CURRENT_SOURCES_DIR}/FILES")
+    file (STRINGS "${CURRENT_SOURCES_DIR}/FILES" HEADER_FILES_H REGEX ".+[.]h")
+    file (STRINGS "${CURRENT_SOURCES_DIR}/FILES" SOURCE_FILES_C REGEX ".+[.]c")
+
+    if (NOT "${HEADER_FILES_H}" STREQUAL "")
+      foreach (ORIGIN_FILE ${HEADER_FILES_H})
+        list (APPEND HEADER_FILES_ ${CURRENT_SOURCES_DIR}/${ORIGIN_FILE})
+      endforeach()
+
+      #message("${HEADER_FILES_}")
+      set(${HEADER_FILES} ${HEADER_FILES_})
+    endif()
+
+    if(NOT "${SOURCE_FILES_C}" STREQUAL "")
+      foreach (ORIGIN_FILE ${SOURCE_FILES_C})
+        list (APPEND SOURCE_FILES_ ${CURRENT_SOURCES_DIR}/${ORIGIN_FILE})
+      endforeach()
+
+      #message("${SOURCE_FILES_}")
+      set(${SOURCE_FILES} ${SOURCE_FILES_})
+    endif()
+
+    #set(${HEADER_FILES} ${HEADER_FILES_H})
+    #set(${SOURCE_FILES} ${SOURCE_FILES_C})
+
+  else()
+    message(WARNING "file FILES is absent in $TARGET")
+  endif()
+
+endmacro()