Add initial version of '.travis.yml' file
Resolve build issues with Python 2.6
Further fixes for Python 2.6

Further changes based on pyql travis config file

  https://github.com/enthought/pyql/blob/master/.travis.yml
Add requirement for 'exubrant-ctags' package
Account for different OS line endings in tests
Replace calls to 'unittest' with 'unittest2'

Backport new 'unittest' features to Python 2.6.5 (ST2)
Add image to README
Merge branch 'feat/travis-ci_integration' into development