Add play-json, play-validation, resolvable

As some of the repositories do not have much information, external links are provided.
Improve typography

Em-dashes, apostrophes, normalize dots after each item.
Add functional reactive programming

Not sure if Akka Streams should be included yet.
Add description
Merge pull request #60 from stanch/patch-2

Improve typography.
Add em-dashes
Rebase
Rebase
Update dashes
Merge pull request #59 from stanch/patch-1

Add play-json, play-validation, resolvable.
Merge pull request #61 from stanch/patch-3

Add µTest, functional reactive programming.