Updated Navbar and Footer

Navbar, added links and organized the links by alphabetical order.
Footer, moved sponsers to footer, Fixed imabug's twitter link, added my infos, fixed small issues between styling on various pages.
Local Groups, Alphabetized the groups.
Changed all links to open a new tab instead of changing webpage.
Added Jobs and Presentations Pages

Jobs, used local groups page as template. Changed column name to match purpose.
Presentations, used local groups page as template. Changed column name to match purpose.