split python dependecies for py2
python3 compatiblity
turned off velruse for py3
fixed tests and skipped those requiring velruse
replaced str calls for pyramid's compat.text_type
replaced unicode idiomatic calls with pyramid's text_type
fixes back for python 2.7

- pylama
add python 3.3 to test suite
drop pyramid 1.4.x from tests
drop self string from User repr method
convert all tests from u'' strings to pyramid.compat.text_type
updated changelog
classfiers update
Merge pull request #35 from fizyk/py3

Py3