Done/validated are stored as floats in db
helps avoiding falsy values for percentage in home page
Fixes #457
adding mention to wiki TM installation list
Merge pull request #489 from pgiraud/issue457

Done/validated are stored as floats in db
Merge pull request #495 from ethan-nelson/dev6

Adding TM installation list in README; re: #409
separating activity schemes, clickable users
Factorizing user link
Merge pull request #496 from ethan-nelson/dev4

Changing activity wordings; re: #140
Fix broken link to markdown quick ref
Fixes #463
Merge pull request #490 from pgiraud/markdown_help

Fix broken link to markdown quick ref
Prevent private projects to be exported as JSON
Enable CORS for tasks json export
Fixes #451
Merge pull request #507 from pgiraud/cors

Cors