Update parser.js

Added viewbox support as a transform matrix on a new outer g element.
Suggestion take from w3c reccomendation on svg 1.1 viewbox
Update parser.js
Update parser.js

Spaces fixes...
Update misc.js

Parsing svg with one element or many element in the same way helps the logic.
Some ellipses width 100% instead of pixels get broken ( 74, 75 examples ) but i think this is another topic and should be taken separately.

http://www.deltalink.it/andreab/fabric/a.html has all the fix togheter and render fine, or better than http://www.deltalink.it/andreab/fabric/b.html
Merge pull request #4 from asturur/viewbox-fix

Viewbox fix