docs: update tagline

Author: medmunds

README.rst

@@ -1,10 +1,12 @@
-Anymail: Multi-ESP transactional email for Django
-=================================================
+Anymail: Django email backends for Mailgun, Postmark, SendGrid and more
+=======================================================================
 
  **EARLY DEVELOPMENT**
 
  This project is undergoing rapid development to get to a 1.0 release.
- You should expect frequent, possibly-breaking changes until 1.0 alpha.
+ Before 1.0, minor version bumps might include breaking changes.
+ Please check the
+ `release notes <https://github.com/anymail/django-anymail/releases>`_
 
 ..  This README is reused in multiple places:
     * Github: project page, exactly as it appears here

docs/index.rst

@@ -1,12 +1,14 @@
-Anymail: Multi-ESP transactional email for Django
-=================================================
+Anymail: Django email backends for Mailgun, Postmark, SendGrid and more
+=======================================================================
 
 Version |release|
 
 .. attention:: **EARLY DEVELOPMENT**
 
    This project is undergoing rapid development to get to a 1.0 release.
-   You should expect frequent, possibly-breaking changes until 1.0 alpha.
+   Before 1.0, minor version bumps might include breaking changes.
+   Please check the
+   `release notes <https://github.com/anymail/django-anymail/releases>`_
 
    If you are switching to Anymail from `Djrill`_,
    see the notes on :ref:`migrating-from-djrill`

setup.py

@@ -23,8 +23,8 @@ def long_description_from_readme(rst):
 setup(
     name="django-anymail",
     version=__version__,
-    description='Multi-ESP transactional email for Django',
-    keywords="django, email, email backend, mailgun, mandrill, postmark, sendgrid",
+    description='Django email backends for Mailgun, Postmark, SendGrid and other transactional ESPs',
+    keywords="django, email, email backend, ESP, transactional mail, mailgun, mandrill, postmark, sendgrid",
     author="Mike Edmunds <[email protected]>",
     author_email="[email protected]",
     url="https://github.com/anymail/anymail/",