Responsive tweaks to com_installer > manage

com_installer > Manage doesn't work well on small viewports. This PR adds hidden-phone to the following columns: version, date, author, folder and ID

# Before patch
![skaermbillede 2014-08-12 kl 15 47 11](https://cloud.githubusercontent.com/assets/1738811/3891163/680fedac-2227-11e4-8eee-1944fa0a084f.png)

# After patch
![skrmbillede 2014-08-12 kl 15 47 24](https://cloud.githubusercontent.com/assets/1738811/3891164/6810213c-2227-11e4-8a9c-61d449686474.png)