Bumped version
Update README.md
Cross-building to 2.9.1 through 2.10.1, updated .travis.yml to match
Fixed cross-build capability (need different versions of Specs2 depending on Scala version)
Removed 2.9.1 and also removed assembly plugin
Fixed bug with assemblySettings
Changed versioning on Twitter collection-utils
Bumped main version to 2.10.0
Revert to e8b4dea8f6e2b32e820ec396e6018830892d1651
Fixed to ensure correct version
Merge branch 'feature/2.10-support' into develop

Conflicts:
	project/Dependencies.scala