CANVAS-32 add sfu branding to canvas

Squahsed commits:

add header-rainbow div in sfu.js

add background images

add sfu.css

add sfu fonts

add help link

remove instructure branding from footer and add sfu logo

use relative urls

add sfu font-family

css font tweaks

add sfu logo

add sfu canvas logo

remove accidental sfu.html file
Merge pull request #13 from grahamb/canvas32-theme

CANVAS-32 add sfu branding to canvas
removed Delete My Account from user profile page
CANVAS-158 - remove change password field from user profile page
Merge pull request #14 from ronvs/sfu-develop

Added SFU Course Form plugin
update Gemfile.lock
Merge pull request #15 from ronvs/sfu-develop

Sfu develop
Some UI text update
Replaced 'Start a New Course' button link

Now redirects to sfu_course_form plugin
Merge pull request #16 from ronvs/course-form-plugin

Course form plugin
Merge branch 'sfu-develop' into canvas-117-hide-delete-my-account
This time really fixed the enrolment to use sis_user_id
Merge branch 'course-form-plugin' of github.com:ronvs/canvas-lms into course-form-plugin
Merge pull request #18 from mstanger/canvas-117-hide-delete-my-account

CANVAS-117 hide delete my account
Merge pull request #17 from ronvs/course-form-plugin

Course form plugin
Rename copy content button to include WebCT courses
Merge pull request #19 from va7map/canvas-60-button

Rename copy content button to include WebCT courses
Renamed sfuid to username
Fixed section enrolment and set to enrol teachers to default section
Revert "Renamed sfuid to username"

This reverts commit 78b83876a791a60c6a355182b92df7a8f118103b.