Validate and tidy html files
Re-indent with spaces(4) and wrap(80)
Add tidy HTML validation to the Travis build
Add debugging command
Use apt-get installer
Run tidy on all HTML pages
Merge pull request #1 from sbesson/travis_tidy

Add support for tidy in Travis
Reduce tidy verbosity
Adding table summaries
Add padding to main section
Update padding in main section
Correcting padding for other files
Merge pull request #94 from qidane/reformat-html-files

Validate and tidy html files