[add #114] Delete account
[fix #109] Add reset password in profile page
[add #111] Add tooltip

Add meaning of each button
[fix #108] Protect paper data when leaving
Don't display two identical messages
Add label in the autocompletion list

Search label created by the user and add them into the auto completion list
Fix TOC display

Improve diplay of ignored section
Add an indicator when an user launch a compilation

Add a spin at the right of "compile" in the top of the paper page.