[fix bug 854379] Hide 'categories' label when event has no categories.
Merge pull request #370 from glogiotatidis/854379

[fix bug 854379] Hide 'categories' label when event has no categories.
[fix bug 855991] Add missing space to report added email.
Merge pull request #372 from glogiotatidis/spacemissing

[fix bug 855991] Add missing space to report added email.
[fix bug 856560] Fix typo.
Merge pull request #376 from glogiotatidis/typo

[fix bug 856560] Fix typo.
[Fix bug 851259] Fix order of past events in user profile page
Merge pull request #377 from johngian/851259

[Fix bug 851259] Fix order of past events in user profile page