add Travis CI integration
add setup.py to .travis.yml
changed path of README in setup.py
added pip install instructions to .travis.yml
moved setup.py and requirements.txt in main path
fixed README/README.mdown in setup.py
updated .travis.yml to reflect removal of build/
added setup.py commands to .travis.yml
removed -q switch to setup.py
added runtests.py to .travis.yml
removed unneeded re
commented http_connector test in runtests.py
disabled tests for Travis CI

	can't find a way to successfully run tests without pyimg.py
	(containing sensitive informations)
deleted script: from .travis.yml
added nosetests to .travis.yml
restored runtests.py in .travis.yml (albeit it will fail)
change of default path in tests
add coding string as per PEP236 in pyimg-example.py
updated user agent string to FF19
add coding: utf-8 string to all tests