BLD: New build matrix for Travis
- Moved travis build logic to ci directory.
- Added testing for 3.3  (with numpy 1.7b2).
- Prints version strings for all installed components.
- added FULL_DEPS build for 2.7 and 3.2, which includes
  scipy and matplotlib tests.
- Made the log less verbose.
- Travis now shows an "env" columnn.
