#48 Upload file. You can upload fie to web page, but you cannot save it. 400 Bad request
fixed file upload
#48 Upload file. Show File in transaction details
update user pic wip
unique constraint to user_details.user_username added
Merge branch 'development' of https://github.com/DmitryZakharov/homeBudgetWeb into feature/issue_48

Conflicts:
	HomeBudgetWeb/src/main/java/org/homebudget/controllers/TransactionController.java
	HomeBudgetWeb/src/main/java/org/homebudget/services/UserManagementService.java
	HomeBudgetWeb/src/main/webapp/WEB-INF/views/transaction.jsp
	HomeBudgetWeb/src/main/webapp/WEB-INF/views/transactionDetails.jsp
#48 Merge. Conflict resolving
fixed put method support for multipart requests
Merge branch 'feature/issue_48' of https://github.com/DmitryZakharov/homeBudgetWeb into feature/issue_48

Conflicts:
	HomeBudgetWeb/src/main/java/org/homebudget/controllers/UserManagementController.java
tests are not running
#48 Merge. tests wip
fix lazy loading in tests
#48 tests 81%
some temporal
+ populator class
+ test Initialization bean
fix tests, all grean, not clear if implementation now works ))
fixed null pointer exception
fixed login
fixed navigation to accounts
fixed duplication during account addition
fixed category creation and deletion
moved static field to property file