Change location of PropertyService to properties directory
Create a propertyService.getTestInstance method to facilitate unit tests
Replace Options class with PropertyService
made java 1.4 compliant
Fixed some bugs.
Removed user-specific config settings.
Added a couple of configurable constants for host and context. Added JDoc comments.
JUnit tests for ClientViewHelper. Includes tests for logging in, logging out, downloading a single data file, and downloading a package zip file.