add a coverage rc configuration
add a dev-requirements file
update travis configuration
remove cython since it should not be required
add apptools in the trvis-ci configuration
add blockcanvas in the setup
install unittest2 when running under python 2.6
add etsdevtools in the installation
more updates
we need cython after all
use the right environment variable
Merge pull request #16 from enthought/cleanup-travis-ci-build

Cleanup travis ci build
Merge branch 'master' into fix/global-adapters-registration

# Via Ioannis Tziakos (1) and IoannisTziakos (1)
* master:
  use the right environment variable
  we need cython after all
  more updates
  add etsdevtools in the installation
  install unittest2 when running under python 2.6
  add blockcanvas in the setup
  add apptools in the trvis-ci configuration
  remove cython since it should not be required
  update travis configuration
  add a dev-requirements file
  add a coverage rc configuration

Conflicts:
	.travis.yml