Use Bootstrap for Installer

fix #1062
refs #1073
Use Bootstrap for Installer #2

fixes
Use Bootstrap for Installer #3

minor css, opacity for #ZikulaOverlay
Use Bootstrap for Installer #4

change icons from glyphicons to FA
Use Bootstrap for Installer #5

a little bit FA
typo
Use Bootstrap for Installer #6

use bootstrap for input and select
Use Bootstrap for Installer #7

use FA for Breadcrumbnav
small cosmetic
Merge pull request #1106 from dmm1/1.3

Use Bootstrap for Installer