Removed some superfluous files.
Ignore build directory
Switch gtest/gmock to submodules.

Also remove the pre-built gtest/gmock libraries from the repo and
instead build them on demand for the tests.
Fix readme formatting
Merge pull request #1 from Ventero/cleanup

Use submodules for gtest/gmock and some CMake cleanup
Improve the way tests are run
Merge pull request #2 from Ventero/tests

Improve the way tests are run
Added travis file for automated testing.
Renamed travis configuration file.
Fixed travis input.
Fixed yml formatting
Added audio support.
Fix header includes
Merge pull request #3 from Ventero/includes

Fix header includes