Provide a fontselector option to customize font selection for a language

* Also bug fixes
Bug fixes in language fallback for getFont
Merge branch 'master' of github.com:wikimedia/jquery.webfonts
Merge branch 'master' of github.com:wikimedia/jquery.webfonts
Whitespace.
Fixing tests to support Firefox
Removed redundant line
Follow jQuery coding guidelines
Introduce exclude option

Can be used to give jquery selectors to be excluded from webfonts
Point the links to wikimedia repository

Point the links to wikimedia repo, not to santhoshtr repo.
Return empty list when there are no fonts
Merge pull request #1 from amire80/master

Return empty list when there are no fonts
Apply the font to an element only if it is not excluded

Also some cleanup in the related functions.
Merge pull request #2 from amire80/2012/prevent_unwanted_sans-serif

Apply the font to an element only if it is not excluded
Correct the font variant support
Update to jQuery 1.8.2.
Merge pull request #4 from siebrand/master

Update to jQuery 1.8.2.
Remove the duplicated jquery.js and fix submodule
Update to jQuery 1.8.3.
Merge pull request #6 from siebrand/master

Update to jQuery 1.8.3.