Updated signature to return a STRING and thus avoid warnings at C compilation from trying to convert a `const char *' into a `EIF_POINTER'. Ideally, the C routine to create Eiffel strings should be able to create IMMUTABLE_STRINGs to avoid the conversion.


git-svn-id: https://svn.eiffel.com/eiffelstudio/trunk@95853 8089f293-4706-0410-a29e-feb5c42a2edf
Updated Download configuration files.
Simplified JSON configuration file.
Updated Eiffel code to read the configuration file.


git-svn-id: https://svn.eiffel.com/eiffelstudio/trunk@95854 8089f293-4706-0410-a29e-feb5c42a2edf