Bumped the version to 1.0.1-SNAPSHOT
Added log4j dependency and use in SchemaEnv.
Removing the snapshot from the version number.
Added JSONResourceType, to read types in classpath

Also, updated the JSONFileType class, to split apart several of the
implementations of loadType(), so that it can read from Files, Readers,
or the default file alternately.
Added change-log to README.
Merging v1.0.1 into master.