make FixedTupleSpout implement IRichSpout so it can be used for tests
unique URLs in findAndReadConfigFile to work around apparent sbt/nsc bug where the same resource is returned more than once
oops
Merge pull request #664 from jaked/unique-config-files

unique URLs in findAndReadConfigFile to work around apparent sbt/nsc bug
Merge pull request #663 from jaked/FixedTupleSpout-implements-IRichSpout

make FixedTupleSpout implement IRichSpout so it can be used for tests