remove htm hmtl redirection, header, footer

The header and footer will be done with javascript.
renamed from shtml to html
fix internal references from shtml to html.
add header and footer via javascript.
fix indentation, clean trailing whitespaces

A bit of cleanup on index.html
cleanup build.html

 * add js header and footer
 * fix indentation
 * clean trainling whitespaces
clean components.html

 * add js header, footer
 * clean trailing whitespaces
cleanup contact.html

     * add js header and footer
     * fix indentation
     * clean trainling whitespaces
Switch to include header/fooder from javascript
bulk replace shtml by html on links.
replace Trolltech by Digia where applicable.
silence Firefox character encoding warning

The character encoding of the HTML document was not declared.  The
document will render with garbled text in some browser configurations
if the document contains characters from outside the US-ASCII range.
The character encoding of the page must be declared in the document
or in the transfer protocol.
Used HTML Tidy to fix invalid and improve layout.

Used Tidy with vim to reshape the html code.
http://vim.wikia.com/wiki/Cleanup_your_HTML