[CYB-100] - Updated db/seeds.rb file
[CYB-100] - Deleted commented out code in engagement_index_share view
Merge pull request #50 from richcreationsrc/engagement-index-views-update

Engagement Index: Updated Views
Images for Gallery icons
Merge pull request #49 from coyote/icons_for_gallery

Adding icons for use in the Gallery (liking, etc).
[nojira] When the value assigned to an action for the Engagement Index is changed by an instructor, the value of previous actions by the students must also be updated.
Merge pull request #53 from coyote/sync_score_values_on_points_change

[nojira] Sync existing student scores with updated engagement point values
[CYB-100] - Updated styling: added box shadow in landing page image, header styling
[CYB-100] - Removed display:block
Merge pull request #54 from richcreationsrc/engagement-index-views-update

Engagement Index: Minor CSS Styling
Make far fewer SQL calls on updating points; do not call PG unless something changes.
[nojira] - Fixed edit button
Merge pull request #57 from richcreationsrc/points-configuration-fix-edit

Points Configuration: Edit Button
Merge pull request #56 from coyote/fewer_sql_calls_on_pont_value_changes

Make far fewer SQL calls on updating points
Adding corrected images for Gallery.  Images have been converted to PNG and run through ImageOptim.  Arrow.jpg removed entirely as it is not referenced anywhere in the code.

Impacts CYB-111, CYB-112
Merge pull request #58 from coyote/icons_for_gallery

CYB-111, CYB-112 Gallery icon corrections.
Allow some settings to be from a file [not checked in after initial push]
* Creates a global Constant, EnvSettings
* Creates a QA environment database
* Adds code to allow global settings (used to assign values to EnvSettings)
CYB-121 Updates to existing student records should not cause an exception, uniqueness violation
Make submissions editable -- resubmitting will now change what appears in the gallery
 * shows only the last submission
 * Attachment model / attachments table added
 * app/services/canvas/attachments_processor.rb added
 * also don't do many actions if there is no change
Merge pull request #55 from coyote/fix_student_import

CYB-121 Fix student import