0.19.4

• minify Ring-Swagger 2.0 Schema - just the essentials
• Swagger2.0 JSON Schema is now in classpath ring/swagger/v2.0_schema.json
• exclude ill transitive dependencies from Instar (cljx, cljs)
• use ~1000x faster JSON Schema validator in tests:

[metosin/scjsv "0.2.0"] is available