Renamed Test to Tests
Download feed uses exportService instead of usagePointService
Removes duplicate test that exists in Common
Merge pull request #28 from MartyBurns/master

modified initialization of database bean so that it only happens on dev ...
Adds ExportFilter class
Uses ExportFilters for filtering Subscription REST API and UsagePoint feed
ExportFilter now filters max-results and start-index

start-index is 0 based.
Converts matcher to use hasSize
Adds CONTRIBUTING.md documentation
Fixes markdown for github