Update for SciFi time alignment study

Update FTCluster and MCFTDigit for scifi time simulation.

Goes with Boole!421 (merged).

Event/FTEvent/include/Event/FTCluster.h

@@ -83,6 +83,10 @@ namespace LHCb {
     /// Update  Total charge in ADC count
     void setCharge( float value );
 
+    float time() const;
+
+    void setTime( float value );
+
     /// Retrieve const  all FTChannelIDs corresponding to this cluster
     const std::vector<LHCb::Detector::FTChannelID>& channelIDs() const;
 
@@ -92,6 +96,8 @@ namespace LHCb {
     float m_charge;      ///< Total charge in ADC count
     std::vector<LHCb::Detector::FTChannelID> m_channelIDs; ///< all FTChannelIDs corresponding to this cluster
 
+    float m_time; /// cluster average time
+
   protected:
   private:
   }; // class FTCluster
@@ -143,3 +149,7 @@ inline const std::vector<LHCb::Detector::FTChannelID>& LHCb::FTCluster::channelI
 inline const LHCb::Detector::FTChannelID& LHCb::FTCluster::channelID() const { return key(); }
 
 inline int LHCb::FTCluster::size() const { return m_channelIDs.size(); }
+
+inline float LHCb::FTCluster::time() const { return m_time; }
+
+inline void LHCb::FTCluster::setTime( float value ) { m_time = value; }