Introducing support for @JsonView annotations (#33)

Thank to @timothy-volvo for the contribution.

• Updating dependencies (9e8aab0)
• Updated JUnit version (#30)
• Updated README.md(#36)

• Fixing reference to vulnerable Jackson version
• HALLink serializable (#22)

• Fixing problem with @JsonTypeInfo (#25)

Thanks to @Phil404 for the contribution.

Adding support for using curies in the definition of link relation keys - as defined by the HAL specification. Proposed in #4.