v0.4.2

Drop sync API execute call (#606)
Allow to merge null values in records (#645)
Add support of GraphQLList of GraphQLLists (#649)
Provide explicit schema path option to gradle plugin (#651)
Introduce ApolloCall status event notification (#654)
Throw better exceptions when a required field is null (#659)
Introduce InputType for optional values with undefined state (#658)
Extract operation response parser (#660)
Add default scalar type adapters for java built in types (#665)
Fix cache doesn't respect directives (#666)
Extract http cache as standalone submodule (#667)
Fix input list with default values generates non compiled code (#674)
Fix issue with duplicated enum deprecation annotation (#675)
Fix enforce query variable name to be decapitalized (#676)
Fix issue builder is not generated for inline fragment (#679)
Fix issue with InputType builder and default boolean value (#681)
Make generateModelBuilder generate deep builders (instead of shallow) (#680)
Change gradle-plugin artifact to apollo-gradle-plugin (#694)