- deploy all branches to s3

Output CMake version

filtering files for code check seperately to enable fast use of git pre-commit hook to check code style
ask user to install pre-commit hook when code style is checked

* Enable a workaround for #5438

* Disable Travis Slack integration

* Fix formatting

* the OSX builds were spending the majority of the time just updating homebrew and installing a couple packages

* move gcc 4.9 build to circleci

* travis-ci update to xcode 7.3

* travis-ci limit git fetching for OSX

* Makefile split firmware targets for CI

* OSX ccache

 * otherwise the build environment doesn't get the proper return code

-launch using top level make tests
-ignore generated files