COMP: rename dictionary::read<T> to dictionary::readEntry<T>

- avoids compiler ambiguity when virtual methods such as
  IOdictionary::read() exist.

- the method was introduced in 1806, and was thus not yet widely used

src/meshTools/searchableSurfaces/searchableSurfaceCollection/searchableSurfaceCollection.C

@@ -195,7 +195,7 @@ Foam::searchableSurfaceCollection::searchableSurfaceCollection
 
             const dictionary& subDict = dict.subDict(instance_[surfI]);
 
-            subDict.read("scale", scale_[surfI]);
+            subDict.readEntry("scale", scale_[surfI]);
             transform_.set
             (
                 surfI,

src/meshTools/sets/cellSources/boxToCell/boxToCell.C

@@ -90,11 +90,11 @@ Foam::boxToCell::boxToCell
     if (dict.found("box"))
     {
         bbs_.resize(1);
-        dict.read("box", bbs_.first());
+        dict.readEntry("box", bbs_.first());
     }
     else
     {
-        dict.read("boxes", bbs_);
+        dict.readEntry("boxes", bbs_);
     }
 }
 

src/meshTools/sets/faceSources/boxToFace/boxToFace.C

@@ -90,11 +90,11 @@ Foam::boxToFace::boxToFace
     if (dict.found("box"))
     {
         bbs_.resize(1);
-        dict.read("box", bbs_.first());
+        dict.readEntry("box", bbs_.first());
     }
     else
     {
-        dict.read("boxes", bbs_);
+        dict.readEntry("boxes", bbs_);
     }
 }
 

src/meshTools/sets/pointSources/boxToPoint/boxToPoint.C

@@ -90,11 +90,11 @@ Foam::boxToPoint::boxToPoint
     if (dict.found("box"))
     {
         bbs_.resize(1);
-        dict.read("box", bbs_.first());
+        dict.readEntry("box", bbs_.first());
     }
     else
     {
-        dict.read("boxes", bbs_);
+        dict.readEntry("boxes", bbs_);
     }
 }