apipie-bindings should enforce required params, BZ 1116803 (#6820)
Fixes RHBZ#1134954 - Log API errors that are re-risen with debug verbosity
Add apidoc_cache_base_dir option to move all caches to another dir
Moved development dependences to gemspec
Fixed cache name test
Added configuration for Travis CI
Fixed response headers in dry_run
Logging response headers