updated site navigation to bootstrap navbar

for better ux on mobile
Merge branch 'gh-pages'
updated navbar to fixed at top

for consistency btw destop and mobile, and allow more space for additional nav items
removed CNAME from personal gh-pages branch

only needs to be in the branch that will be merged in the organization repo (master branch)
Merge branch 'gh-pages'
added CNAME back to master branch

this is the branch that should include CNAME and will be used in PRs to the organization repo
updated files to improve site performance
removed optional bootstrap theme
Merge branch 'gh-pages'
removed avatars from Contact area
Merge branch 'gh-pages'
Merge pull request #18 from bkeyvani/master

Update UX p1