Updated to Scala 2.10.4.
Replaced a foreach with a while loop, sprinkled in some final declarations.

We need continuous performance testing. Considering using the
ScalaBlitz optimize.
Updated Scala library version.
Updated Travis Scala version.
Added custom HashSet.
Removed redundant compiler option.
Increment key has no return value.
Updated akka-kryo, now an external dependency.
Removed akka-kryo dependency from S/C sources.
Fixed dependency versioning.
Added Ifi repo for akka-kryo dependency.
Simpler kayo registration, added custom init.
Disabled compression for Array[Array[Int]].
Removed minlog exclude, fixed by new Kryo.
Added serialisation and tests for common classes.
Added kryo empty map serialisation.
Added set serialization.
Added list serialisation.
Using kayo for array serialisations.
Handling even more classes with Kryo.