Added base font files
Removed fonts.net Avenir
Merge branch 'master' of https://github.com/stellar/stellar-client into font-clear-sans
changing font variables for new font
Added Clear Sans font and added font code to css and gulpfile
Change default weight to 500
Merge pull request #587 from stellar/font-clear-sans

Font clear sans
Such font. Much Comic Sans
Merge pull request #588 from stellar/comic-sans

Such font. Much Comic Sans
Merge branch 'master' of https://github.com/stellar/stellar-client into invites