Better test keyring for unit tests. Also add tests for importing public keys.
Better test keyring for unit tests. Also add tests for importing public keys.


git-svn-id: 238cecb930ce893fc9dbb348c2faf7e702d02354@250856 c90b9560-bf6c-de11-be94-00142212c4b1

pear/Crypt_GPG,alecpl/Crypt_GPG,gauthierm/Crypt_GPG,pear/Crypt_GPG