Path: fix various typos and superfluous whitespace

Found via `codespell -q 3 -L aci,ake,aline,alle,alledges,alocation,als,ang,anid,apoints,ba,beginn,behaviour,bloaded,bottome,byteorder,calculater,cancelled,cancelling,cas,cascade,centimetre,childs,colour,colours,commen,connexion,currenty,dof,doubleclick,dum,eiter,elemente,ende,feld,finde,findf,freez,hist,iff,indicies,initialisation,initialise,initialised,initialises,initialisiert,inout,ist,kilometre,lod,mantatory,methode,metres,millimetre,modell,nd,noe,normale,normaly,nto,numer,oder,ontop,orgin,orginx,orginy,ot,pard,parms,pres,programm,que,recurrance,rougly,seperator,serie,sinc,strack,substraction,te,thist,thru,tread,uint,unter,vertexes,wallthickness,whitespaces -S ./.git,*.po,*.ts,./ChangeLog.txt,./src/3rdParty,./src/Mod/Assembly/App/opendcm,./src/CXX,./src/zipios++,./src/Base/swig*,./src/Mod/Robot/App/kdl_cp,./src/Mod/Import/App/SCL,./src/WindowsInstaller,./src/Doc/FreeCAD.uml,./build/doc/SourceDocu`

src/Mod/Path/PathScripts/PathGeom.py

@@ -343,7 +343,7 @@ def edgeForCmd(cmd, startPoint):
             PathLog.debug("StartPoint:{}".format(startPoint))
             PathLog.debug("MidPoint:{}".format(midPoint))
             PathLog.debug("EndPoint:{}".format(endPoint))
-            
+
             if pointsCoincide(startPoint, endPoint, 0.001):
                 return Part.makeCircle(R, center, FreeCAD.Vector(0, 0, 1))
             else:
@@ -575,7 +575,7 @@ def combineHorizontalFaces(faces):
     '''combineHorizontalFaces(faces)...
     This function successfully identifies and combines multiple connected faces and
     works on multiple independent faces with multiple connected faces within the list.
-    The return value is list of simplifed faces.
+    The return value is a list of simplified faces.
     The Adaptive op is not concerned with which hole edges belong to which face.
 
     Attempts to do the same shape connecting failed with TechDraw.findShapeOutline() and
@@ -611,7 +611,7 @@ def combineHorizontalFaces(faces):
     for i in range(len(extrudedFaces)):
         temp = extrudedFaces.pop().fuse(allFacesSolid)
         allFacesSolid = temp
-    cut = bboxSolid.cut(allFacesSolid)        
+    cut = bboxSolid.cut(allFacesSolid)
 
     # Debug
     # Part.show(cut)