Fix various trailing whitespace issues

src/Mod/Start/StartPage/StartPage.py

@@ -253,7 +253,7 @@ def getDefaultIcon():
 
 def buildCard(filename,method,arg=None):
 
-    """builds an html <li> element representing a file. 
+    """builds an html <li> element representing a file.
     method is a script + a keyword, for ex. url.py?key="""
 
     result = ""

src/Mod/TechDraw/TechDrawTools/TaskHoleShaftFit.py

@@ -115,7 +115,7 @@ class TaskHoleShaftFit:
         rangeValues = iso.getValues()
         mainFormat = dim.FormatSpec
         dim.FormatSpec = mainFormat+selectedField
-        dim.EqualTolerance = False 
+        dim.EqualTolerance = False
         dim.FormatSpecOverTolerance = '(%+.3f)'
         dim.OverTolerance = rangeValues[0]
         dim.UnderTolerance = rangeValues[1]