issue #8 - create LocationManager
issue #8 - add timeZone property to the event
issue #8 - manage timeZone
issue #8 - create mock in order to run the application in offline mode
Merge branch 'bagarino-8'

Conflicts:
	src/main/java/io/bagarino/manager/EventManager.java
	src/main/java/io/bagarino/model/Event.java
	src/main/java/io/bagarino/repository/EventRepository.java
	src/main/resources/io/bagarino/db/HSQLDB/V2__TEST_DATA.sql
issue #8 - remove useless field
issue #8 - remove useless field