Error "Documenting undefined parameter..." for table parameters fixed. Closes #150.
Merge commit '38acd512ccf2829f86f1d3d4e2e904e74c38fc8c'

* commit '38acd512ccf2829f86f1d3d4e2e904e74c38fc8c':
  type moved from terrame.lua to Utils.la
  usage for data files is no longer needed #134.
  dir and isfile moved to FileSystem.lua
  sessionInfo moved to Utils.lua
  incompatibleFileExtension replaced by invalidFileExtension.
  packageInfo moved to Package.lua
  Config tests removed from TerraME. Close #127.
  All functions now have @usage.
  Observer types documented.
  Action and Event files were removed to build correct documentation.
  Documentation updated.
  SocialNetwork and Neighborhood now do not get any parameters.
  Headers updated to remove references to LuaDoc (---)