[devices/ADXL345] Use BooleanView instead of RegisterView where sensible
[devices/ADXL345] Fix setting data registers from Fifo

* Replaced absurd left shift by correct right shift
[devices/ADXL345] Removed unneccessary unboxing
[devices/ADXL345] Removed obsolete out commented lines
Added .gitignore for ./dist directory
[ant] Fixed build.xml
targets "run" and "test" will now work as expected
[Travis] added .travis.yml for automated testing
Merge pull request #4 from ejoerns/pull-req/adxl345-fix

Fixes for the ADXL345 accelerometer device
Fixed wrong interrupt timings caused by 128bit interrupt vector
implementation (a few years ago)
Merge pull request #5 from comawill/travis

Travis