Added "project.properties" option to enable/disable version and date timestamps of code files. Default is disabled
Omit test and project notes folders from "build" also when in top level of repo. folder
minor corrections and small improvement to handling of language files.
Extensive enhancements to translation file copying in "update repo." code. Now copies the  frontend and backend files into the correct folders in the repository to reflect the standard structure of a Joomla! extension .zip/.tar distribution file.