Add DWScript language

The following changes since commit e11edb8d1a1133e40a17ca3c41e0dfbb3dde0fe9:

  Added DWScript language (2013-06-13 10:08:01 +0200)

are available in the git repository at:

  https://github.com/EricGrange/linguist.git

for you to fetch changes up to 1aeb8fe3069abf6fefa92d0d54cc0b9c43cc6d89:

  Completed extensions list for Delphi

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