Merge pull request #16 from codexico/firstframe

Firstframe
getsize default true
update in readme
Update jquery.jSprite.js

Modified getSize, to detect the width and height if the value is zero.
Included getGrid, to detect the columns and lines if the value is zero.
Update index.html

Test auto size and auto grid
Update jquery.jSprite.js

Correção image load
Update jquery.jSprite.js

Remoção console
Merge pull request #17 from fpupor/master

Automatização dos options
convert indentation to spaces
lint
tab adjustments
jQuery lightweight plugin boilerplate
unnecessary comments