Misc. comment typos

+ Found via `codespell -q 3 --skip="*.po,*.ts,./.git,./src/3rdParty,./src/CXX,./src/zipios++,./src/Mod/Assembly/App/opendcm" -I ~/Projects/fc-word-whitelist.txt`

+ crowdin translation refinements:  
- https://crowdin.com/translate/freecad/6766/en-en#6499546
- https://crowdin.com/translate/freecad/6766/en-en#6504496

src/Base/Exception.h

@@ -119,10 +119,10 @@ public:
 protected:
 public: // FIXME: Remove the public keyword
  /* sMessage may be:
-  * - an UI compliant string subsceptible of being translated and shown to the user in the UI
-  * - a very technical message not intended to be traslated or shown to the user in the UI
-  * The preferred way of throwing an exception is using the macros above. This way, the file, 
-  * line and function are automatically inserted. */
+  * - a UI compliant string susceptible to being translated and shown to the user in the UI
+  * - a very technical message not intended to be translated or shown to the user in the UI
+  * The preferred way of throwing an exception is using the macros above.
+  * This way, the file, line, and function are automatically inserted. */
   Exception(const char * sMessage);
   Exception(const std::string& sMessage);
   Exception(void);
@@ -229,7 +229,8 @@ public:
   virtual void setPyObject( PyObject * pydict);
 protected:
   FileInfo file;
-  // necessary   for what() legacy behaviour as it returns a buffer that can not be of a temporary object to be destroyed at end of what()
+  // necessary   for what() legacy behaviour as it returns a buffer that
+  // can not be of a temporary object to be destroyed at end of what()
   std::string _sErrMsgAndFileName; 
 };
 

src/Mod/Arch/ArchSectionPlane.py

@@ -407,7 +407,7 @@ class _SectionPlane:
         if not "Shape" in pl:
             obj.addProperty("Part::PropertyPartShape","Shape","SectionPlane",QT_TRANSLATE_NOOP("App::Property","The shape of this object"))
         if not "Objects" in pl:
-            obj.addProperty("App::PropertyLinkList","Objects","SectionPlane",QT_TRANSLATE_NOOP("App::Property","The objects that must be considered by this section plane. Empty means all document"))
+            obj.addProperty("App::PropertyLinkList","Objects","SectionPlane",QT_TRANSLATE_NOOP("App::Property","The objects that must be considered by this section plane. Empty means the whole document."))
         if not "OnlySolids" in pl:
             obj.addProperty("App::PropertyBool","OnlySolids","SectionPlane",QT_TRANSLATE_NOOP("App::Property","If false, non-solids will be cut too, with possible wrong results."))
             obj.OnlySolids = True

src/Mod/Arch/importOBJ.py

@@ -185,8 +185,8 @@ def export(exportList,filename):
                     for f in flist:
                         outfile.write("f" + f + "\n")
     outfile.close()
-    FreeCAD.Console.PrintMessage(translate("Arch","Successfully written ").decode('utf8') + filename + "\n")
-    if materials:
+    FreeCAD.Console.PrintMessage(translate("Arch","Successfully written").decode('utf8') + " " + filename + "\n")
+    if materials: 
         outfile = pythonopen(filenamemtl,"wb")
         outfile.write("# FreeCAD v" + ver[0] + "." + ver[1] + " build" + ver[2] + " Arch module\n")
         outfile.write("# http://www.freecadweb.org\n")

src/Mod/Material/MaterialEditor.py

@@ -70,7 +70,7 @@ class MaterialEditor:
         QtCore.QObject.connect(self.widget.ButtonOpen, QtCore.SIGNAL("clicked()"), self.openfile)
         QtCore.QObject.connect(self.widget.ButtonSave, QtCore.SIGNAL("clicked()"), self.savefile)
 
-        # add material properies (the keys) to the editor
+        # add material properties (the keys) to the editor
         for group in getMaterialAttributeStructure(True):  # get the mat file structure from material module, use Spaces for better ui
             # print(group)
             self.addPropertiesToGroup(group)