Update Readme to show travis state.

Change-Id: Iaa80827ab83824e544724e09308f57ae1241d578
add in travis support for remus.

Change-Id: I9169304e8bb68f4aa6a56bc60d553d62fbaef8a1
travis machines come with cmake 2.8.7 so use custom cmake.

Since we need CMake 2.8.11 we have to get it elsewhere.

Change-Id: I2bcceb00d5af447ae0234191630a76323c99d342
install zmq 3 headers so we build properly on travis.

Change-Id: If7dbe38f271f6b6c03fa004c558506aebe33274d
install libboost-dev-all for travis and only output install errors.

Change-Id: I5430b2a1054f62db868e780a61990bd84073cb46