Update CSS link paths

Previously the project failed to find the css files to md5 hash them
because they were absolute paths. If you simply change the paths to
relative paths, then non-root level urls fail to load. So this change
makes the md5 hash take the relative path, but outputs an absolute one
to the browser.
Merge pull request #153 from SlexAxton/slexaxton-css-paths

Update CSS link paths
Fix jumbotron so it makes sense
Jobs page post
moving labs out of the way for microsite to take its place
fix protected class
Bringing back labs as a page
Removing labs page
Remove menu border hidden style on hover

Perhaps this is just unfinished, but right now when you hover over menu
items, the right border disappears which changes the width of the
element and causes all menu items after the hovered one to reflow. It
looks fine to me without hiding it. (My gut is that this was borrowed
from another menu where this made sense.)
Update jumbo email placeholder to be more readable

Just some new styles to make this more readable, and match the font that
would eventually be used when someone starts typing.
Added Optimism blog post
Added links
Add one more
Added concord monitor
Merge pull request #154 from SlexAxton/slexaxton-menufix

Fix some styles on home page (menu and email placeholder)
CSS/HTML: cleaning up some formating, combining rules
Merge branch 'gh-pages' of github.com:MayOneUS/homepage_redesign into gh-pages
CSS/HTML: additional code formatting cleanup
Homepage: add invisible link to candiates section
OurDonors: update donors data