more cosmetic changes plus a few fixes of mod1 intro to R -- also changed all instances of 'swirlfancy' to 'swirl'
Merge branch 'master' of https://github.com/swirldev/swirlfancy
recommend intro to R in course menu
small tweaks to mod3 of intro to R
fixed some issues in answerTests that were causing tests of the my_name problem in mod3 of intro to R to fail
Merge pull request #46 from swirldev/my_name

fixed some issues in answerTests that were causing tests of the my_name ...