indexNew --> indexIsNew.

Also added needsCompress, which gives information about whether index sets
need a compress after adaptation or not.

[[Imported from SVN: r4201]]

fem/common/dofmapperinterface.hh

@@ -52,9 +52,9 @@ namespace Dune {
     }
 
     //! returns true if index is new ( for dof compress )
-    bool indexNew (int num) const
+    bool indexIsNew (int num) const
     {
-      return asImp().indexNew(num);
+      return asImp().indexIsNew(num);
     }
 
     //! return old index in dof array of given index ( for dof compress )
@@ -75,9 +75,9 @@ namespace Dune {
       return asImp().additionalSizeEstimate();
     }
 
-    bool needCompress () const
+    bool needsCompress () const
     {
-      return asImp().needCompress ();
+      return asImp().needsCompress ();
     }
 
   private: