possible fix for null for file uploading in controller for Multipart
close #48 user profile picture is shown, transaction picture is shown
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/webapp/WEB-INF/views/transaction/newTransaction.jsp
	HomeBudgetWeb/src/main/webapp/WEB-INF/views/user/editUser.jsp
close #48 view bug fixing
close #48 pom changed
close #48 pom changed