Arial.ttf moved to /fonts subfolder

Arial.ttf was recently moved to /assets folder which already containes /js and /css subfolders. For consistent organization I think Arial.ttf should be placed in its own /fonts subfolder.
forgot to move Arial.ttf to new location
Merge pull request #1 from conejoninja/patch2

forgot to move Arial.ttf to new location
Merge pull request #1232 from dev101-osclass/patch-2

Arial.ttf moved to /fonts subfolder