Adding initial Travis config.

To test to see if our tooling picks it up properly.
Ping because I forgot to turn Travis on.
Another travis ping
Configuring c++ build matrix properly
Fix serialization crash

Version number is set incorrectly, which results in a crash when loading checkpoints in a new instance. Version should be set in the constructor (or possibly with a #define). (Note: test will be submitted with python repo. We still need to figure out C++ tests.)  Issue #13
Corrected the language (c++ -> cpp)
Merge pull request #14 from subutai/sp_serialization_bug

Fix serialization crash
Merge pull request #12 from rhyolight/add-travis-config

Adding initial Travis config.