[CMake] need criticism: my very first CMake project

[Artem Zolochevskiy]

hi all

I need constructive criticism for my very first CMake based project.

It converts index.txt file into html by usung asciidoc.
make install should install converted document into adjustable @docdir@ :-)

http://tinyurl.com/d8fhv6

Thanks!
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Artem Zolochevskiy