UI improvements 1

Home

• Align header with content
• Move content from about to home
• Make links in header and footer behave like links
• Add login button to content somewhere

Home - Logged in

• Align tags
• Remove breadcrumbs
• Change name to 'My Courses'
• Add upcoming courses
• Move create course buttons here
• Change text for teacher with no courses
• Collapse finished courses

Request course

• Move to content of create edition

Catalog

• Fix programme select box
• Alphabetise programmes
• Increase edition title size
• Fix alignment in table
• Make title consistent
• Change teacher to teachers