integration of activiti bpm  with a "bookorder" sample process
small refactoring(DBConfig=>AppConfig), use logback.groovy to configure logback instead of xml and cleanup
lot of changes
- BookOrderProcess has a ProcessService, used to create an Order in the DB
- started to switch the tools and test to groovy and spock
--- util to delete every entities from db
--- util to load some sample data
complete switch utils to groovy and test to spock
- added a new version of the bookOrder process, more realistics and suppot it with better ProcessService and variables.
- Domain data has aslo evolved:
-- Book have a price
-- Order have a Coll of Books
- deleted previous version of the bookOrder process
- fix an integration test,
readme
cleaning
- remove mysql depedency for gradle exec, so it is easier to use and test project right after clone
-- test work by default in h2 memory db
-- bookOrder process can be call from gradle and run with h2 memory db
readme
readme
cosmetic
cosmetic
Merge branch 'activiti-integration'