new prover identification: remove id
Remove the id in prover that is used only for command-line, use instead the name,version,alternative of the prover. One can also use regular expression (start with ^). "Alt-Ergo,0.92,with arrays" corresponds only to one prover "Alt-Ergo,^0\.9.*,with arrays" correspond to all the Alt-Ergo prover with arrays which version match "0\.9.*" "Alt-Ergo" is the same thing than "Alt-Ergo,^,^" "Alt-Ergo,0.92," corresponds only to one prover with the alternate fields empty "Alt-Ergo,,with arrays" corresponds to "Alt-Ergo,^,with arrays" since the version is never empty. Provers identification are case sensitive even if it is currently more complicated for the user because case-insensitiveness is not sufficient. Specifiying "alt-ergo" for "Alt-Ergo,^,^" is great, but not if there is more than one match. A more general system of shortcut would be more appropriate.