feature+ui(circles): issue #91 CSS - Right menu of circles + issue #92 CSS - circle-create + issue #93 HTML-CSS - circle-profile

Add styles to the right menu and fix bug on toggle
Add styles to the form
Add styles and HTML to circle-profile
Add styles to sib-form-multiple-dropdown
Clean up content.scss and circle-profile

Add paginate into sib-display.
Add styles to buttons and span inside the new <nav> generated.

Add and style datafields.
Add a custom widget.
Add styles to sib-autocompletion.
Add back button.
fix bug in members and project-profile pages (displaying userinfos and members of a project).

Transform svg files + add them as font.
Review and correct HTML architecture.
Review and add styles.
Open/close menu on right + expand content.

Customize labels.
Styling labels, inputs, text areas, title, paragraph, buttons and checkbox.
Big clean up

New CSS rules added, HTML has been modified.

Closes #54

Color's names changed.