Merge pull request #40 from StKotok/WORDS-8

WORDS-8 fixed index.html
WordCounter-31 WORDS-27 del: alert(userCheck) from ajax script
WordCounter-31 WORDS-27 fix: error sorting by usersSort
Merge remote-tracking branch 'kupolua/develop' into WORDS-8

Conflicts:
	src/main/java/com/qalight/javacourse/Executor.java
	src/main/java/com/qalight/javacourse/WordCounterResultSorter.java
WORDS-8 Add functionality to sort results by words or repeat number:
working...