Merge pull request #4 from aplannersguide/master

Update screen.scss
Recompile screen.scss.
Added draft roles page. Deleted a few CfA has listed and still think it might be too much for our size community. My thought was no hard in including it incase the role spoke to someone.
vector version of logo
Merge pull request #11 from aplannersguide/master

Removed monthly hack night info.
Merge pull request #12 from aplannersguide/master

Linked main page to updated roles page.
Add front matter to roles.md, solving issue #13.
Merge pull request #13 from seabre/issue-13

roles.md is missing YAML Front Matter
Merge pull request #1 from openchattanooga/master

Updating from master repo