Begin adding the preview functionality in python2.7, not completed yet.

Samo Penic

2016-07-07 c89a71dbf5ce77d7accc60d8637f0eea64ecc1e6

 src/vesicle.c

@@ -38,6 +38,7 @@
    triangle_list_free(vesicle->tlist);
    cell_list_free(vesicle->clist);
    poly_list_free(vesicle->poly_list);
    poly_list_free(vesicle->filament_list);
    complex_sph_free(vesicle->sphHarmonics);
    free(vesicle);
    return TS_SUCCESS;