Added vesicles dataset incl. raw data in inst directory.

   vesicles.rda [New file]
   vesicles.Rd [New file]
   	New dataset.

   inst/rawdata/vesicles/vesicles.txt [ New file]
   inst/rawdata/vesicles/presynapse.txt [ New file]
   inst/rawdata/vesicles/mitochondria.txt [ New file]
   inst/rawdata/vesicles/vesiclesimage.tif [ New file]
   inst/rawdata/vesicles/vesiclesmask.tif [ New file]
   inst/rawdata/vesicles/activezone.txt [ New file]
        Raw data files.

   DESCRIPTION
   NEWS
   updates.Rnw
	updated

   DESCRIPTION
   NEWS
   spatstat-package.Rd
	added acknowledgements