few minor changes
Merge remote-tracking branch 'kupolua/develop' into develop
added logback
Merge remote-tracking branch 'kupolua/develop' into develop

Conflicts:
	WordCounter.iml
	atlassian-ide-plugin.xml
	build.gradle
	src/main/java/com/qalight/javacourse/DatabaseInputLogic.java
test
Logback testing
removed: log4j
added: logback, logback-access
removed: log4j
added: logback, logback-access
removed: log4j
added: logback, logback-access
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	src/main/java/com/qalight/javacourse/servlet/MainServlet.java
removed: log4j
added: logback, logback-access
added logging into methods of several classes
add LogBack