Add missing empty folder
Add messages.properties for localization
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 #38 create GoodDao
issue #38 create GroupDao. One-to-many Group/Goods
[Issue #29] Tested creatoion fo nonfirst workshift per day
issue #38 one-to-many Group/Subgroup. one-to-one Sale/Good
issue #38 notes for class field
[Issue 29] Removed unused imports
[Issue #29] Add Credentials entity to model
issue #44 create Group/Goods JSON
issue #38 Sale/Good when add/delete Sale doesn't add/delete good

add log to .gitignore
Merge branch 'master' into issue_38_goods_dao

Conflicts:
	.gitignore
	webcash-domain/src/main/java/com/siriusif/ImportDatabase.java
issue #44 join column Group/subgroup/good
issue #44 load from JSON but groups work only list