LARA user can see who they are logged in as  [#83759888].

 - A LARA user can clearly see who they are logged in as when they are
running an activity.
Hi, <username> Clicking the username will open a Pop up link that says
“Not you? Click here” where “here” leaves this window, signs you out
of LARA and the portal, and goes to the portal to sign in - same portal
that the last user came from.

 - For anonymous users will be named anonymous
Hi, Anonymous Pop up link that explains about creating an account
“If you are taking a class, check in with your teacher about logging in
to save data.”

 - Change the CONTROLLER_ACTION in auth_portal.rb to store the username
in the session as [:portal_username] obtained from the portal.

 - add DOM for showing the username in _activity_nav.html.haml.

 - add after_sign_out_path_for method to handle the user signout.
If re_login param is true then sign_out request is sent to the portal
which current user belong to.

 - handle re_login parameter in home_controller.rb and its rspec
If re_login param is true a request is sent to the portal obtained from
athe param 'provider'.
Reposition floating section selector.[#83948064]

 - Reposition floating section selector and add preview link.

 - Add new image for disabled next button of pagination links in the
edit page. (matching color with prev button).
Relative google api fonts URL.[#84060120].

 - make google api fonts URL relative.
Fix boolean check, since the value we're looking at is actually a string
Include current user's email when sending auth info to an interactive

[#84323860]
LARA user can see who they are logged in as [#83759888].

 - handle the 'underscores' in the portal ids.
Fix alignment of page navigation.
 - assign height to the flash message so that the page links
do not jump when message is displayed.
Add additional debug info for inspecting dirty runs.  (tries to talk w/ portal)  [#84674584]

https://www.pivotaltracker.com/story/show/84674584
Add blank? method to assessment items for checking for completed answers.
View for "Run Details" list for runs for a class assignment   [#84708072]

https://www.pivotaltracker.com/story/show/84708072
Only include non-blank answers in Run#num_answers
Controller and routes for "Run Details" list for runs for a class assignment   [#84708072]

https://www.pivotaltracker.com/story/show/84708072
Handle case where port isn't included in remote_endpoint  [#84708072]

https://www.pivotaltracker.com/story/show/84708072
Add table sorting, support for multiple sequnces in run report  [#84708072]

https://www.pivotaltracker.com/story/show/84708072
Add HTTParty timeout for remote_info for runs.
https://www.pivotaltracker.com/story/show/84708072Improved layout for run detail report  [#84708072]

https://www.pivotaltracker.com/story/show/84708072
Fix small ui Issues.
Fix Iframe interactive with save state logout issue.

 - Change the default method for devise user/sign_out from DELETE to GET.
Use server tokens to resubmit dirty runs.   [#84775826]

https://www.pivotaltracker.com/story/show/84775826
Merge branch 'staging' into production