Merge pull request #1 from morenoh149/patch-1

Update NOTES.md
updated to MEAP v12
Update NOTES.md
updated gems
Merge branch 'master' of github.com:Kosmas/conductor
updating gems
updated up to page 196 end of chapter 6
updated up to page 247 end of chapter 7 (chapter sections)
updated up to page 366 end of chapter 9
updated up to page 378
updated up to page 385
updated to page 391
Gem update
Merge branch 'master' of github.com:Kosmas/conductor
merged upstream