Issue #29 : workshifts are now in json file. 

We can read date (dd/mm/yyyy) from our json file (see Helper)
Issue #29 : Created test sceleton to test workshift process

AbstractDaoImplTest -> AbstractSpringTest. Because we will use it in
many places
Issue #29 : Minimal workshift creation implemented
Issue #29 : Test for correct workshift daily id
Merge branch 'master' into issue_29_implement_workshift_creation

Conflicts:
	webcash-domain/src/test/java/com/siriusif/service/model/OrderDaoImplTest.java
[Issue 29] Mockito used for process tests
[Issue #29] Tested creatoion fo nonfirst workshift per day
[Issue 29] Removed unused imports
[Issue #29] Add Credentials entity to model
Merge branch 'master' into issue_29_implement_workshift_creation

Conflicts:
	webcash-domain/src/main/java/com/siriusif/ImportDatabase.java
	webcash-domain/src/main/java/com/siriusif/helper/Helper.java
	webcash-domain/src/main/java/com/siriusif/model/Suborder.java
	webcash-domain/src/main/java/com/siriusif/service/model/impl/SuborderDaoImpl.java
	webcash-domain/src/test/java/com/siriusif/helper/AbstractSpringTest.java
	webcash-domain/src/test/java/com/siriusif/helper/PrepareDatabase.java
	webcash-domain/src/test/java/com/siriusif/service/model/HallDaoImplTest.java
	webcash-domain/src/test/java/com/siriusif/service/model/OrderDaoImplTest.java
	webcash-domain/src/test/java/com/siriusif/service/model/SuborderDaoImplTest.java
	webcash-domain/src/test/java/com/siriusif/service/model/TablesDaoImplTest.java
Issue #29 : Add criteria to get not closed workshifts list
Issue #29 : WorkshiftProcess finished. We need to implement checks related to workshift date in workshift creation process
Merge branch 'issue_29_implement_workshift_creation'