test changes:

  - run using local phpunit
  - fix tests by trimming exec output
  - add install and clean targets
  - change analytics.log location
  - add more tests to file consumer
change tests to reflect spec changes
implement spec changes
add new methods implementation and tests
add send.php to replace file_reader.py
rename Analytics to Segment
use strtotime in send.php and support php5.3
add validation
better send.php output
add ./composer.phar validation test