Dotnet module added as a compile time option.
The dotnet module allows you to create more fine-grained rules
for .NET files by using attributes and features of the .NET file format.
http://yara.readthedocs.io/en/latest/modules/dotnet.html

Signed-off-by: Ashkan Jazayeri <ashkan@jazayeri.net>

YARA is a tool aimed at (but not limited to) helping malware researchers
to identify and classify malware samples. With YARA you can create
descriptions of malware families based on textual or binary patterns.

Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr>