Correct files permission

I removed execution permission from files that
obviously shouldn't have it (data and source code)
and from several binaries that, IMHO, should be deleted.
Delete binary files for NE2001

I think, binary files that we can compile, shouldn't
be stored in the repo.
Reformat code

I used Artystic Style to code reformatting, watch carefully.
Convert some class names to CamelCase

It'a a first part of code convention implementation
in this project.
Convert some class names to CamelCase: forgotten files
Merge pull request #1 from Ingwar/master

Some basic clean-up