new speaking partner homepage and started new sign up page.
updates to sidebar colors, and started pages.
finished "guidelines pages", removed extra video from signup page. Updated header styles on contact us page
fixed missing links and added some alt tags to images.
swapped out new embed codes for the landing and signup videos
added link to discussion materials
copy changes for speaking partners. Also modified the sidebar styles so it doesn't capitalize single letter words on sub items.
Merge pull request #5 from byuipathway/newspeakingpartners

New speaking partners pages