Changes in luaDoc for #8.
Merge branch 'master' of https://github.com/pedro-andrade-inpe/terrame

# By Pedro Andrade
# Via Pedro Andrade
* 'master' of https://github.com/pedro-andrade-inpe/terrame:
  3x3 neighborhood is now deprecated.
  addNeighborhood on the fly. Close #109.
  CellularSpace .map did not have xdim and ydim.
  On the fly tests for createSocialNetwork. Close #108.
  print_red replaced by printError
  addSocialNetwork with functions. #108.
  Bug in CellularSpace using ".map" removed.
  Better error messages in assert_error.
  Switching from print_red to printError in UnitTest.
  Some internal verifications moved from Utils.lua to terrame.lua
  Function call() added. Close #24.