Merge pull request #200 from mbborgez/removeIstUtlPt

Remove ist utl pt
Using Bennu 2.0.0-M2
Updated migration guide to include instructions on migrating from 1.x to 2.0
First steps to make it possible to start fenix from zero.
Bootstrap can now start for the first time the system
FenixEdu Installation Process
Integrating Bootstrap into Mainstream
Created a new css file specific to the login page; the reset button for the login has been removed; the logo has been updated to the new fenixEdu logo
chaning the support message
changing the visual style of the login page; the text talking about the login has been removed; the buttons and support message are now aligned to the right
Improving the visual style of the login page
solving rebase issues