py3 compatibility fix, print statement
Clarify Config.set corner case
Merge pull request #2400 from dessant/patch-16

Clarify Config.set corner case
Merge pull request #2396 from dessant/patch-15

py3 compatibility fix, print statement
doc: fixed capitalization in example uix/widget.py
doc: added parameter type descriptions to uix/widget.py
doc: fixed note in uix/widget.py
doc: corrected undefined "self" reference in  uix/widget.py
doc: small tweaks to graphics/__init__.py
add notes on packaging re py2/py3
doc: fixed `versionadded` tag in input/motionevent.py
Merge pull request #2404 from kived/packaging-notes

add notes on packaging re py2/py3
Links for Twisted echo server examples were broken, fixed the links
Merge upstream with fixed_broken_twisted_links
doc: Added ObjectWithUid to docs

I added this as thid class is referenced from various places, and the
docs appear incomplete when these references cannot resolve.
Merge branch 'master' of https://github.com/kivy/kivy
Merge pull request #2405 from sarver311/fixed_broken_twisted_links

Fixed broken twisted links