Removed several unnecessary include

src/ActionWithDistribution.h

@@ -24,7 +24,6 @@
 
 #include "ActionWithValue.h"
 #include "ActionAtomistic.h"
-#include "Value.h"
 #include "PlumedException.h"
 #include "DynamicList.h"
 #include <vector>
@@ -32,6 +31,7 @@
 namespace PLMD{
 
 class Vessel;
+class Value;
 
 /**
 \ingroup MULTIINHERIT

src/FieldVessel.cpp

@@ -21,6 +21,7 @@
 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
 #include "FieldVessel.h"
 #include "ActionWithDistribution.h"
+#include "CubicInterpolation.h"
 
 namespace PLMD {
 

src/FieldVessel.h

@@ -26,10 +26,11 @@
 #include <cstring>
 #include <vector>
 #include "VesselValueAccess.h"
-#include "CubicInterpolation.h"
 
 namespace PLMD {
 
+class CInterpolation;
+
 class FieldVessel : public VesselStoreAllValues {
 private:
 /// When do we merge derivatives

src/Vessel.cpp

@@ -23,6 +23,7 @@
 #include "Vessel.h"
 #include "PlumedException.h"
 #include "Value.h"
+#include "Log.h"
 
 namespace PLMD {
 

src/Vessel.h

@@ -27,7 +27,6 @@
 #include <vector>
 #include "PlumedException.h"
 #include "Keywords.h"
-#include "Log.h"
 
 namespace PLMD{
 
@@ -41,6 +40,8 @@ on.  This class is used in PLMD::ActionWithDistribution.
 
 class ActionWithDistribution;
 class Vessel;
+class Log;
+class PlumedCommunicator;
 
 /// This class is used to pass the input to Vessels 
 class VesselOptions {