Merge pull request #1381 from davidrd/issue-1376

Closes #1376 - Created by, Last edited by aren't set when annotation is created in grading view
Merge pull request #1391 from Gerb11/master

Closes #1310 - Created by, Last edited by aren't set when annotation is created in grading view
Merge pull request #1390 from cj343/issue-1378
Merge pull request #1397 from davidrd/issue-1343

Closes #1343 - Showstopper bug in the marks spreadsheet
Updated Changelog for MarkUs 1.0-rc1
Merge pull request #1401 from beepted/issue-1375

Closes #1375: Fixed Download Grades Spreadsheet Error
Updated changelog