Merge pull request #45 from iamciera/gh-pages

Filling in the holes
Merge pull request #46 from iamciera/gh-pages

fixed Work Flows on main page
Update index.md
Update index.md
update readme
update readme
few paras of intro
add and rearrange some sources
few words of intro
Merge pull request #49 from benmarwick/master

a bit of progress on the intro...
updated contributors
spacing icons
more spacing
trimmed AED
Merge pull request #50 from jhollist/gh-pages

Added myself to contribs.
added minor branch part
changed upstream to master
fixed merge conflict in contributors section
fixed merge conflict in contributors section
added ben and add contributor section to collaboration guide.