Some changes to plugins to allow storage of data. Pressure is a plugin now

Samo Penic

2019-02-28 36dba86649e71d2a56657320ddf98a1af2055023

 src/initial_distribution.c

@@ -112,7 +112,7 @@
        vesicle->sphHarmonics=NULL;
    }

   vesicle->tlist->a0=sqrt(3)/2*pow((vesicle->tape->dmax+1.0)/2.0,2);  
   vesicle->tlist->a0=sqrt(3)/4*pow((vesicle->tape->dmax+1.0)/2.0,2);  
    return TS_SUCCESS;

}