first commit message
Merge pull request #1 from vikramvi/vikram-SerenityDocumentation-IntroducingSerenity

first commit message
2nd round of changes
Merge pull request #2 from vikramvi/vikram-SerenityDocumentation-IntroducingSerenity

2nd round of changes
Merge pull request #3 from vikramvi/master

Introducing Serenity Chapter review and modification