3.0 - fix table dislay

In the environment panel, when long variable have to be displayed or on small screen, the table take more width than the screen making looking at the values a bit annoying.
This is to due to browser 's way of breaking words (works better on Firefox then Chrome).

This PR solve the issue and remove unnecessary classes on array

before
![capture1](https://cloud.githubusercontent.com/assets/4977112/4437466/314dafca-4798-11e4-8f16-5136ebfefcf7.PNG)

after
![capture2](https://cloud.githubusercontent.com/assets/4977112/4437468/37dc646c-4798-11e4-894d-6c818f6be11d.PNG)

PS: you can go ahead with windows jokes :wink: