ignore project & .R files
merge origin/master

Merge branch 'master' of github.com:swirldev/swirl_courses

Conflicts:
	.gitignore
Merge branch 'master' of github.com:swirldev/swirl_courses
outlining OLS segment for regression models.
Merge remote-tracking branch 'origin/master'
Mostly notes.
Merge remote-tracking branch 'origin/master'
Adding package dependencies in customTests.R files, mostly for legacy courses.
Added MASS to Regression Models dependencies.