help: Add legal.xml to the help

License help under CC-by-SA 3.0 Unported.
help: Add index

Split index into 4 sections, one each for each functionality.
help: Page to add world clocks

Page uses a steps list to explain how to add a world clock.
help: Page to remove world clocks

Page uses steps list to explain how to remove a world clock.
help: Add world-check page

Page to check sunrise and sunset time and other details.
help: alarm-add.page

Page explains how to add a new alarm using a steps list.
help: alarm-edit.page

Page on how to edit an existing alarm.
help: Add alarm-remove.page

Page on how to remove an existing alarm from the list.
help: alarm-snooze-stop.page

Page on how and why to snooze and stop alarms.
help: stopwatch.page

Page explains how to use the stopwatch.
help: timer.page

Page explains how to use the timer.
help: save a copy of logo in help/C/figures

The logo needs to be used in the index page.
Add help to the build system
Wire up the Help menu item
help: Modify world-remove.page

Remove <title> from the steps list
help: Modify index.page

Make Stopwatch the third section in the page, and Timer the fourth
section to reflect the order of the buttons in Clocks.
help: Modify world-add.page

Corrected language/grammar in the steps list.
help: Modify alarm-add.page

Add an introductory paragraph to alarm-add.page
help: Modify alarm-edit.page

Add introductory paragraph to alarm-edit.page
help: Modify alarm-remove.page

Change description and add a small introductory paragraph.