Fix #1131 Add password strength validation
Use html5 to validate setup form, use html5 fallback if client does not support this feature

Add modernizr to admin group
Add renew email form validation
Reorder forms organisation add a way to custom view & add callback once error is rendered
Fix tests
Remove old validation system
Concatenate JS files
Merge pull request #401 from nlegoff/fix_1131

[3.8] Fix #1131 & remove jquery.validate* dependencies