Edit access conditions.
Allow team leaders to add and modify tools.
surounding copy size with attempt
Only allow works to be set to collections the user is in, plus various.
changed message
Merge pull request #902 from nla/fix-copy-size

Fix copy size
Merge pull request #901 from nla/bug/acm-DSC-797

dsc-797: Update various security issues.
Merge remote-tracking branch 'origin/master' into dsc-1279