WORDS-258	 Exception Handling with Spring mvc
WORDS-258	Exception Handling with Spring mvc
Merge remote-tracking branch 'origin/develop' into exceptionSpring

Conflicts:
	src/main/webapp/WEB-INF/view/about.jsp
	src/main/webapp/WEB-INF/view/index.jsp
	src/main/webapp/css/wordcounter.css
- example for UserRequest
added sorting and filtering options for excel/pdf
added sorting and filtering options for excel/pdf, added some tests
added sorting and filtering options for excel/pdf, added some tests
some refactoring
some refactoring
something.toString()->String,valueOf(something)
Merge remote-tracking branch 'origin/develop' into exceptionSpring

Conflicts:
	src/functionalTest/java/com/qalight/javacourse/WebFormTest.java
added new assertion assertObjectIsNotNull
WORDS-275	Create correct url for GET request.
Set sorting parameters compatible with ENUM type's fields
Set isFilter parameter in boolean type
WORDS-275	Create correct url for GET request.
Set sorting parameters compatible with ENUM type's fields
Set isFilter parameter in boolean type
Merge remote-tracking branch 'origin/userrequestexample' into userrequestexample
added additional tests to WordCounterServiceImplIntegrationTest
Merge remote-tracking branch 'origin/userrequestexample' into userrequestexample
delete docs folder from repository
Merge branch 'userrequestexample' into develop

Conflicts:
	src/main/java/com/qalight/javacourse/service/WordFilter.java
Merge remote-tracking branch 'origin/develop' into develop