Removed Foundation icon fonts b/c we don't use them
Added FAQ.
Rationalize requirements files and adjust one-time setup scripts to address issue #280
Merge pull request #277 from codalab/ux

Removed Foundation icon fonts b/c we don't use them
Merge pull request #285 from willum070/docs

Added FAQ.
Merge pull request #287 from cpoulain/master

Rationalize requirements files and adjust one-time setup scripts to addr...
Updated Help and About pages and added Help link to main nav
Corrected Help link in footer to point to help page. Fixes #276
Fixed typo in help.html template per Christophe's comment on 02cd4949d922f9267d5731aacb5037b2acd2d2dd