[COOK-2338] Allow pinning by glob() and regexp
Proxy for apt-key, apt proxy configuration doesn't work
Merge pull request #34 from ljagiello/COOK-2185

[COOK-2185] Proxy for apt-key, apt proxy configuration doesn't work
Merge pull request #33 from realloc/COOK-2338

[COOK-2338] Allow pinning by glob() and regexp
Add test for COOK-2338
add key_proxy to readme
release v1.9.0