Child pages now have their header icon redirect to the home page

Resolves #19
Hover state added to the 'Back to Work' arrow

Resolves #18
Remove the easing for the hover orange boxes; now is only linear transition

Resolves #17
For some reason in Webkit browsers the project pages hover state on images was showing 1px too high; so lowered by 1px

Resolves #15
Link to the OpenSans font from Google and set as the default font
Change all the fonts to the new font and remove the old one
Specify the header for the main page and the child pages, because they're different
Mitch wants the overlays to be thin and not italic

Resolves #12
Make sure the header goes to the proper opacity after we scroll
Font weights changed as well as the margins to accomodate it
Delete the fonts that we're not using anymore
Don't copy the font files since they're not there anymore