Add a Travis CI control file

Signed-off-by: Gergely Nagy <kaleidoscope@gergo.csillger.hu>

.travis.yml

@@ -0,0 +1,21 @@
+dist: trusty
+sudo: false
+os:
+  - linux
+install:
+  - git clone --depth 1 --recurse-submodules https://github.com/keyboardio/Arduino-Boards hardware/keyboardio/avr
+script:
+  - make travis-test BOARD_HARDWARE_PATH=$(pwd)/hardware
+notifications:
+  irc:
+    channels:
+      - "chat.freenode.net#keyboardio"
+    use_notice: true
+    skip_join: true
+    template:
+      - "%{repository_name}/%{branch} %{commit} by %{author}: %{commit_subject} %{build_url} %{message}" 
+  email:
+    on_success: change
+    on_failure: change
+cache:
+  ccache: true