Use `macro` instead of `contentMacro`

Close #13.
Add link rel=canonical

to make life easier for the search engines

Close #17.
Animation links refactor
Merge pull request #20 from fbasso/samples

Animation links refactor
Merge pull request #17 from jakub-g/canonical

Add link rel=canonical
This one was really missing, i merge it right now !
Rolling out new release 1.4.12

New Aria Templates release
Merge branch 'master' of https://github.com/ariatemplates/usermanual
(fix) Fixing broken links
Added documentation for the new html TextArea
Added link to Plugins page in top menu
Merge pull request #27 from carlo-mr/htmlTextArea

Added documentation for the new html TextArea
New version 1.4.13
(fix) Typo inside sample url for Textarea widget
Fixed Links to the template scripts and interactions with the dom page.