.gitignore and build.sbt
rm CourseraCodeSamplesReactiveProgramming.iml
rename folders to follow sbt conventions
add missing dependencies in build.sbt
update gitignore
use Int instead of Integer
lowercase variables
fix warnings
make objects JUnitTests, such that their methods can easily be run and tested
move everything to src/test/scala
clarify that flatten behaves non-deterministically
update README
concatenateNestedStreamsWhatIsReallyGoingOn
Merge pull request #5 from samuelgruetter/sbt

build with sbt, run examples with JUnit, some tweaks & additions