attempt to enable ccache and our cache for building the bundle

.travis.yml

@@ -6,7 +6,7 @@ install:
 - mkdir -p hardware/
 - ln -s `pwd` hardware/keyboardio
 script:
-- make travis-test-all BOARD_HARDWARE_PATH=$(pwd)/hardware
+- make travis-test-all KALEIDOSCOPE_TEMP_PATH=$(pwd)/.kaleidoscope-build-cache BOARD_HARDWARE_PATH=$(pwd)/hardware
 branches:
   except:
   - gh-pages
@@ -22,6 +22,9 @@ notifications:
     on_failure: change
 cache: 
   ccache: true
+  directories:
+    - .kaleidoscope-build-cache
+    - .ccache
 addons:
   apt:
     packages: