Merge pull request #3 from mikezx6r/master

Fix issue with running reports and old version of guava being version us...
Move almost everything into serenity_bdd namespace and rename helper classes
Rename Step related classes to Serenity prefix
Rename additional items to Serenity
Move Extract class to serenity_bdd package
Move Metafilter to serenity_bdd package while keeping deprecated variation in thucydides package

serenity_bdd annotation takes precedence over thucydides if both are defined
Merge pull request #4 from mikezx6r/master

More migration to Serenity namespace
Merge pull request #5 from mikezx6r/big_move

Move all classes to serenity_bdd namespace
Merge pull request #6 from mikezx6r/final_moves

Final classes moved to serenity_bdd and Serenity prefix names