Restrict rights for demo athlete
Regenerate stats when adding demo days.
Fix bug about empty stats.
Use posgresql by default.
Add fixtures for sports.
Don't display vma page when vma value is invalid, closes #55.
Do not allow negative values on Vma, weight, height and frequencies, closes #54.
Use SportSession when exporting a month in CSV, closes #42.
Fix locale issues in Garmin, display validation message, closes #50.
On members list, display past sessions max date & fix sort per dates, closes #39.
fixing html/css error - table not finished
moving glossary to Help menu for common sense
looking the cancel/default button when changing password
Glossary menu is not lazy: removing wrong option, refs https://github.com/La0/coach/issues/51.
Merge pull request #63 from simongareste/master

Minor Bugfixes: closes #51, closes #52.
Minor css fix: <tr> tag not closed, typoed with <tinfo> tag
Minor css fix: <li> tag opened, unused.
Minor css fix: <strong> tag closed but not opened.
Minor css fix: <legend> tag must be in <fieldset> tag. This has no incidence on the appearance.
Minor css fix: <div> tag closed but not opened.