Add option --bin-ext to testing script to facilitate testing with dakota.sh, dakota.exe, dakota.bat, or even dakota_library_mode.exe.  Ultimately want options for both executable name and extension, but this is a start.
Add option --bin-ext to testing script to facilitate testing with dakota.sh, dakota.exe, dakota.bat, or even dakota_library_mode.exe.  Ultimately want options for both executable name and extension, but this is a start.

git-svn-id: dcef21d3ff4cbd8dced82702dcaad637bf246ecc@1579 aa0779c3-6ec2-4b84-a212-a405c134cd8d

pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA,pemryan/DAKOTA