test nsHyperTextAccessible accesible objects creation and their roles

Mozilla Bug 472326
bug 474261
Mozilla Bug 423409 Bug 593368
Bug 613502 Bug 610650 Mozilla Bug 614310 Bug 734982 Mozilla Bug 1044431

File:
an article
by the way I am an aside
a section
overflow header
overflow aside
overflow article

A paragraph for comparison.

A normal div

> A citation

# A heading level 1

## A heading level 2

### A heading level 3

#### A heading level 4

##### A heading level 5

###### A heading level 6

gecko
  geckos have sticky toes

clickable span clickable span clickable span
- menu item!