Merge branch 'hotfix_multiple_annotations' of https://github.com/autolab/Autolab into tjjohans_develop

Untangled gradebook and annotations, so gradebook isn't affected by annotation scores and scores can take any value.

removed annotation updates that expect there to be a single annotation for each submission and problem

Autolab Release v2.0.8

* Fixed Date time picker always displaying 12AM

* move get child status to after moss command (#817)

* Update .gitignore to ignore .vscode configs

Namely address launch.json but also removes any additional vscode IDE-specific configurations

* Hotfix tabs redirect (#824)

* fixed problems page redirect

* set up tab redirects by including a tag with each submit button

* Fixed basic bug and commented code

* removed vscode

* Removed production devise config from .travis.yml (#834)

* set z-index for annotation forms (#813)

* Fix submit buttons on penalties and handin page. (#829)

* update gradesheet sorting function to better handle NaN (#833)

* disable browser autocomplete for username in extensions (#832)

* change how datepickers get default date (#846)

* Remove 'waves' effect from buttons.  (#837)

* Add overflow to large title assignments so the badge within the link functions properly. (#848)

* Fix student search bar (#853)

* Added search table

* Fixed student search bar

* Update PDF annotation button style (#849)

* Update PDF annotation buttons so that the text is visible as well as the icon. Fixes #814.

* Remove unnecessary comment.

* Fix issue #844 by stopping propogation of click events in the buttons (#845)

* Remove max score check from gradesheet (#841)

* Set default date if val is blank (#855)

* Leave admin options open on page render (#854)

* Assessment Forms UX improvements (#847)

* Add script to change times on input on edit handin (#840)

* regradeAll: refer to correct submissions variable

Fix misuse of @submission in regradeAll and regradeBatch

* Freeze flatpickr version (#867)

* Various form fixes for readability and clarity (#866)

* fix the variable name bug in date picker (#869)

* Move the nav drawer to the right side popout. (#857)

Fix misuse of @submission in regradeAll and regradeBatch

* Update PDF annotation buttons so that the text is visible as well as the icon. Fixes #814.

* Remove unnecessary comment.

* Added search table

* Fixed student search bar

* fixed problems page redirect

* set up tab redirects by including a tag with each submit button

* Fixed basic bug and commented code

* removed vscode

Namely address launch.json but also removes any additional vscode IDE-specific configurations