Merge pull request #127 from sandriu/master

Refs #2249: class selectors for homepage tabbed menu
Merge pull request #128 from sandriu/master

Polish the search results page and the 404 page
Fixed Publication related tabs bug
Merge pull request #129 from dragos-dumi/master

Fixed Publication related tabs bug
Merge pull request #130 from sandriu/master

Refs #2256: hide images on Working Groups listing
Add population information
Refs #2237: styles for additional tables, on species profile