Fixed energy calculations

Samo Penic

2016-06-07 5c64e2bc9d28240b5308882af2e6cf7505d444b6

 src/general.h

@@ -313,6 +313,7 @@
   ts_double R_nucleusX;
   ts_double R_nucleusY;
   ts_double R_nucleusZ;
   ts_double nucleus_center[3];
    ts_double area;
} ts_vesicle;