Refactoring of statements returning Py_None

Refactored boilerplate statements
Py_INCREF(Py_None)/return(PyNone) into calls to
macro Py_RETURN_NONE, available since Python 2.4.
Updating github links to pycurl-devs/pycurl
Merge pull request #1 from p-push/pycurl-devs

Updating github links to pycurl-devs/pycurl
Add favicon from the current sourceforge website
Change sourceforge svn links to github
Merge pull request #2 from p-push/website-updates

Website updates
Fix links to temporary import repository
Merge pull request #3 from p-push/website-updates

Fix links to temporary import repository
Merge remote-tracking branch 'archived/pull/52/head'

* archived/pull/52/head:
  Refactoring of statements returning Py_None
do_curl_getinfo: fix misplaced #endif
runwsgi.py: start the server explicitly at 127.0.0.1

Otherwise it may start on ::1, which would consequently break self-test.
python3: use Py_TYPE(obj) instead of obj->ob_type
Merge pull request #4 from kdudka/kdudka

minor fixes
Update changelog
Set self as maintainer
Merge pull request #5 from p-push/changelog

Update changelog
Use make test on travis
Merge pull request #8 from p-push/travis

Use make test on travis
Define Py_TYPE for Pythons < 2.6. Fixes #6
Merge pull request #10 from p-push/py-type

Define Py_TYPE for Pythons < 2.6. Fixes #6