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

Samo Penic

2019-02-28 36dba86649e71d2a56657320ddf98a1af2055023

 src/tsmeasure.c

@@ -84,7 +84,6 @@
         tape_free(vesicle->tape);
         vesicle_free(vesicle);
               }
      free(ent);  
      }
   for (n = 0; n < count; n++)
     {