Engine v2.0.0

What's Changed

• release version engine 1.5.9 by @mdnazmulkarim in #597
• Version 1.5.10 snapshot by @mdnazmulkarim in #599
• Added BackboneElement type resolution support by @c-schuler in #600
• #576: CQL 2.0.0 upgrade by @vitorpamplona in #581
• Added Long to SystemDataProvider type resolution by @c-schuler in #595
• Rev to 2.0.0-SNAPSHOT, cleanup Library deserialization by @JPercival in #601
• Removing the cql-lm schema files from the output jar by @vitorpamplona in #602
• Added service loader pattern for deserialization by @vitorpamplona in #587
• Activate service loaders by @vitorpamplona in #603
• Fixes Jackson's XML QName parser to the correct namespace by @vitorpamplona in #605
• Forcing Woodstox on all Jackson XML modules. by @vitorpamplona in #604

Full Changelog: v1.5.9...v2.0.0