Merge pull request #38 from nemesisdesign/master

1.3 release
Update README.rdoc

fixed mistake in docs
Merge pull request #40 from nemesisdesign/master

1.3 stable release
Merge pull request #41 from nemesisdesign/master

1.3.1 release

Minor fixes and improvements:

send new account notification to user before attempting to automatically logging him into the system - this way we avoid the notification to not be sent if anything goes wrong
html safe string in password reset subject and text
filter sensitive parameters from exception notifications
Merge branch 'master' of github.com:openwisp/OpenWISP-User-Management-System