changelog update
Merge branch '2_10'
2.10.4 is not yet released
Merge branch '2_10'
get rid of tabs.
enable python setup.py test
template readme tweak
remove stray variable
version bump
minor
minor
made 'default' work with flatdict-based protocols (http).
Merge branch '2_10'

Conflicts:
	spyne/__init__.py
add Mandatory modifier.
doc tweaks
avoid InternalError when invalid document root is sent to DictDocument family of protocols
Merge branch '2_10'
changelog update
Merge branch '2_10'
Merge branch 'master' into async