start 0.2.x development.

- Allow direct instantiation of email classes.
- remove `callable.message` api.  Un-intuitive, repetative.
add tox config
update gitignore
call signature verification
remove  nonsense and update some docs to show __init__ overiding
update CHANGES
stop testing against master
add manifests file
Merge branch 'master' of github.com:fusionbox/django-emailtools
add manifests file
Merge branch 'master' of github.com:fusionbox/django-emailtools
update gitignore

Conflicts:
	.gitignore