Qt5: build FreeCAD for macOS with both Qt5 and Qt4

* Extend Travis config to build and deploy FreeCAD on
     macOS with Qt5, in addition to Qt4
   * Link PySide wrapper to <bundle>/MacOS
   * Warn on install_name_tool failures (work-around to
     confirmed Apple install_name_tool bug)
   * Reference XCTest "Current" framework versus "A"

src/MacAppBundle/CMakeLists.txt

@@ -47,7 +47,7 @@ if(BUILD_QT5)
 		 )
   string(STRIP ${XCODE_PATH} XCODE_PATH)
 
-  set(XCTEST_PATH "${XCODE_PATH}/Platforms/MacOSX.platform/Developer/Library/Frameworks/XCTest.framework/Versions/A")
+  set(XCTEST_PATH "${XCODE_PATH}/Platforms/MacOSX.platform/Developer/Library/Frameworks/XCTest.framework/Versions/Current")
 endif(BUILD_QT5)
 
 install(DIRECTORY ${QT_PLUGINS_DIR}/ DESTINATION ${CMAKE_INSTALL_LIBDIR}/qtplugins )

src/MacAppBundle/FreeCAD.app/Contents/MacOS/PySide

@@ -0,0 +1 @@
+../bin/PySide

src/Tools/MakeMacBundleRelocatable.py

@@ -339,7 +339,10 @@ def change_libid(graph, node, bundle_path):
 
     if in_bundle(lib, bundle_path):
        logging.debug(" ~ id: " + node.name)
-       check_call([ "install_name_tool", "-id", node.name, lib ])
+       try:
+          check_call([ "install_name_tool", "-id", node.name, lib ])
+       except:
+          logging.warning("Failed to change bundle id {} in lib {}".format(node.name, lib))
 
 def print_child(graph, node, path):
     logging.debug("  >" + str(node))
@@ -363,7 +366,7 @@ def main():
 
     #change to level to logging.DEBUG for diagnostic messages
     logging.basicConfig(stream=sys.stdout, level=logging.INFO,
-                        format="-- %(message)s" )
+                        format="-- %(levelname)s: %(message)s" )
 
     logging.info("Analyzing bundle dependencies...")
     build_deps_graph(graph, bundle_path, dir_filter, search_paths)