Release 1.0.0

What's Changed:

• update metapackage to stable by @brettmc in 206
• update readme for contrib packages by @brettmc in 200

Full Changelog: 1.0.0beta1...1.0.0

Release 1.0.0beta1

What's Changed:

• metapackage version and relaxed symfony http requirement by @brettmc in 141

Full Changelog: 1.0.0beta...1.0.0beta1

Release 1.0.0beta

Initial release