try to handle rest api throttling
update .travis, widget version
make test wait while original file is ready
cater python 2.6
don't wait for 0 seconds
Merge branch 'master' into handle-throttling
bump version

Conflicts:
	HISTORY.rst
	pyuploadcare/dj/static/uploadcare/uploadcare-1.2.3.min.js
	tests/functional/test_api.py
allow travis to install six>=1.4, fix widget
Merge pull request #68 from uploadcare/handle-throttling

try to handle rest api throttling