allow username and email can be passed to a lti third party app
ask user permission when lti button is clicked
allow course editor to customize text on lti launch button

This reverts commit 3f159ea5.

This reverts commit 3f159ea5.

added username and email functionality, so that username and email can be passed to the lti third party app

rev2: added customizable text box

rev3: added revisions from auraz

Moving work on BLD-465 from PR 1811.
Fixing missing import clause in Python.
Addressing DB's comment.

BLD-465.

Removed JS check for empty url and default url. In template added
i18n support for several strings.

Add ability to display LTI module in a new
window. Iframe will be still supported.

Fix python test
Update acceptance tests
Fix in acceptance tests, they are stable now
Fix Acceptance tests.
Adding Jasmine tests for LTI.
Fixing Jasmine tests. Adding the rest of Jasmine tests.

LTI blade allows to include LTI components to courses.
Python integration, Jasmine and acceptance tests are included.

LTI blade allows to include LTI components to courses.
Python integration, Jasmine and acceptance tests are included.

This reverts commit 2894b21c, reversing
changes made to 34d0fe15.

Add simplifyed template.
Update lti integration test.
Add getting oauth credentials from course settings.
Add user id transferring to provider.
Improve documentation of lti module.

Changed use of IDs to classes. Simplified lti.js - now simple one function.
Updated tests.