modified 4 files and made 4 files
Modified many files, so that links work and made many other changes.
Merge remote-tracking branch 'carlos/master'
Merge remote-tracking branch 'charlie/master'
Remove duplicate stylesheet
Make spacing consistent across all files

Replace space-style indentation with tabs
Remove unnecessary spacing

Removes trailing spaces, along with excess newlines in some areas.
Add application title to page header

Adds the application title and a link to the home page to page header on all
pages.
Add missing html tags to some pages

Some pages were missing the DOCTYPE declaration and opening html tag. This
commit fixes that.
Remove duplicate color class definitions in default.css
Remove unnecessary link tags in body
Merge branch 'integration'
Made teacher_income_page.html