Deleted FlatmapExample
Removed unnecessary parameter.
Changed sumLength example
Fix 'using platform encoding' maven warning
Completed slide
Made a couple of changes as a result of feedback from last workshop
Simplify lambda example.
Remove usage of method reference in examlpes and slides.
Remove usage of method reference in exercises.
Remove parallel streams and optional exercises.
Remove scope and closures example.
Removed a reduce example causing NullPointerException in compiler.
Updated README.md to include setup specific for IntelliJ.
Fix numering in readme.
More specific description for cloning project in readme.
Add implementThis method.
Remove Optional from Outline in slides.