More verbose notifications when wrong PIN entered.

* silvia_issuer.cpp (communicate_with_card): Handled the specific case
where the return code indicated a wrong PIN.
* silvia_verifier.cpp (verify_pin): Added a specific message for a
blocked card.
Also include some missing headers into make install
Use LT_INIT instead of the obsoleted AC_PROG_LIBTOOL
Merge pull request #14 from timothymctim/wrong_pin_notification

More verbose notifications when wrong PIN entered.
Merge pull request #15 from puiterwijk/install-all-headers

Also include some missing headers into make install
Merge pull request #16 from puiterwijk/obsoleted-macro

Use LT_INIT instead of the obsoleted AC_PROG_LIBTOOL
Added missing brackets, this should fix the credential ID metadata issue reported by @puiterwijk
Merge branch 'master' of github.com:credentials/silvia