Fix logo id in nav bar
fixed favico and background img
updated background image to reflect imgur's
Revert "updated background image to reflect imgur's"

This reverts commit 0e8a2366c2bc217ce5a17cdead9aa9000cb5c870.
fixed username field
fixed username field
fixed upload form
adjusted button size and position slightly, added textarea formatting for uploading and commenting, adjusted button names, added class for go back link to replicate imgur. finally fixed favico.