Carles: start story 324 manage teams

Story: http://txels.tpondemand.com/entity/324

This is a bit of a mix but as I was doing some work on http://txels.tpondemand.com/entity/324 I included your suggestion to get rid of the gradient as well.

This is a first not very styled version of being able to delete projects and teams in the main UI. Next steps for this story are going to be create projects and teams, and invite users to a team or remove them from one.