Purge googlecode_upload.py

No human should use this anymore.
Create BooleanProperty if a bool is given for the kv property.
When core critically fails to load a lib, print all the exception.
Update python version supported by kivy.
Update python version supported by kivy.
correctly calculate texture coordinates when erasing at the end of a long line

fixes #508
Merge pull request #2283 from kivy/fix_508

correctly calculate texture coordinates when erasing at the end of a lon...
Increase max nest depth for latex.
Remove non-utf8 char from doc.
Merge pull request #2281 from matham/py-version

Update supported python version.
Merge pull request #2280 from matham/core-err

When core critically fails to load a lib, print all the exceptions.
Merge pull request #2260 from dessant/patch-9

Purge googlecode_upload.py
Merge pull request #2269 from matham/bool-prop

Create BooleanProperty if a bool is given for the kv property.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	doc/sources/kivystyle.sty
	kivy/graphics/vertex_instructions_line.pxi