updated output formatting
slight tweak to info() formatting to include space after
more cosmetic stuff
more small cosmetics
updated answer tests for my_name question in mod3 of intro to R
Merge pull request #41 from swirldev/format

updated output formatting
Fixed exit-via-Esc bug.
a few more cosmetic updates
Fixed esc_flag bugs. Set esc_flag to FALSE on every legit exit, not just one.
Fixed merge conflict.

Merge remote-tracking branch 'swirldev/master'

Conflicts:
	R/swirl.R
added NEWS.md file
Merge branch 'master' of https://github.com/swirldev/swirlfancy
Fixed bug re: Esc before Enter on last row. Had failed to mark progress file done if it had been done before.
Revised in-line docs for swirl() and re-roxygenized.
Issue #44, restore figures which precede current row.
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