White header
Aside restored
CHange color in the search form of the header
Aside optimised
Header resized
Adding the comments
Optimise the comment content
search form background corrective
New favicon
Merge branch 'master' into withaside

Conflicts:
	design.css
	index.html
Add header template for visitors
Some animations on buttons hover
Add the aside in the visitor index
Add the tmineline in the visitor index, and correction In the tree structure  of the index
Form tag correction
Create sign up page
WC validation
Design of the sign up form
Add sign in page
Delete useless button