Add invitation flow to the login server

[#77649316] https://www.pivotaltracker.com/story/show/77649316
Set property login.invitationsEnabled to true
Test invite users link on homepage
Fix failing integration test
Merge branch 'releases/1.8.5' into develop
Bump next developer version
git diff should be non interactive
Merge branch 'feature/invitations' into develop
Fix test for latest changes.

[#77649316] https://www.pivotaltracker.com/story/show/77649316

Signed-off-by: Madhura Bhave <mbhave@gopivotal.com>
Show SAML login link for provider by default.

[#78485792] https://www.pivotaltracker.com/story/show/78485792

Signed-off-by: Madhura Bhave <mbhave@gopivotal.com>
Add ability to register notifications to login server

[#77585216] https://www.pivotaltracker.com/story/show/77585216
Document setting up a local notifications service
Add ability to send a password reset notification to login server

[#77585238] https://www.pivotaltracker.com/story/show/77585238

Signed-off-by: Madhura Bhave <mbhave@gopivotal.com>
Register notifications at the time of first usage if not pre-registered

[#77585238] https://www.pivotaltracker.com/story/show/77585238
Refactor the email service to have a common interface for notifications and SMTP
- EmailPasswordResetService uses the appropriate messageService to send emails

[#78676824] https://www.pivotaltracker.com/story/show/78676824

Signed-off-by: Madhura Bhave <mbhave@gopivotal.com>
Connection error from notifications server only ignored on startup

- Also, don't provide default value for notifications.url

[#77585216] https://www.pivotaltracker.com/story/show/77585216

Signed-off-by: Madhura Bhave <mbhave@gopivotal.com>
Update uaa submodule pointer

Signed-off-by: Madhura Bhave <mbhave@gopivotal.com>
Merge branch 'feature/notifications' into develop
Update README to remove any instances of run.pivotal.io

[#78847542] https://www.pivotaltracker.com/story/show/78847542

Signed-off-by: Madhura Bhave <mbhave@gopivotal.com>
Reduce line-height of form fields to 1 to fix IE bug

[#78684886] https://www.pivotaltracker.com/story/show/78684886

Signed-off-by: Madhura Bhave <mbhave@gopivotal.com>