Merge pull request #49 from slauriat/master

Fixing a whole bunch of bugs.
update to the ui any applying light skin
all changes that Isabelle needs and wants part un
merging shawns
last few changes from Isabelle requests part duex
adding additional images
making sure headers are consistent
updating readme
update to R
Fixes #61
Fixes #59
Fixes #53
Fixes #50
Fixes #68
Isabelle part tres updates since she is sitting next to me
optimizing the images
smaller sizes for the images
Fixing contrast for all links.