Attempt at splitting out and cleaning up the custom multi inputs commit.
Explicit travis config.
Merge pull request #529 from ambiata/topic/multi

Attempt at splitting out and cleaning up the custom multi inputs commit.
Remove unused Entities.deserialiseEntities
Crash in dense reduction if invalid number of features
Ignore duplicate dates from chord entity files
Merge pull request #530 from ambiata/topic/chord-duplicate-entities

Ignore duplicate dates from chord entity files
Optimism
Consolidate SnapshotManifest
blah
Bring back SnapshotMetadata
Better toMetadata
Almost there - need to deal with .version
fixup! Almost there - need to deal with .version
Getting rid of factset .version part 1
Getting rid of versions part 2 - it's alive