-v2.7.3.
-Remove winetrics dependency from installation instructions.
-Add gnuplot dependency to installation instructions.
-Consolidated some of the installation instructions.
-Added the ability to control button color via config.php.
-Set $ButtonStyles to one of the approved options listed in config.php.
-If the config entry is not defined a default will be used instead (grey).
-Supports RED, GREEN, BLUE, and GREY.
-Updated index.html files in subdirectories to the latest version from root directory.
-Moved the UI to the Languages subdirectory.
-Added French language UI.
-Added the ability to easily add more language packs.
-Added ability to control language display via $_GET request.
-Added ability to disable $_GET request language selection in config.php.
-Reworked the way the GUI is assembled to make it compatible with multiple language packs.
