Merge remote-tracking branch 'origin/master' into Evgenii

Conflicts:
	src/main/java/core/pages/ManageRulesPage.java
Merge remote-tracking branch 'origin/Evgenii' into Evgenii

Conflicts:
	src/main/java/core/pages/ManageRulesPage.java
Merge remote-tracking branch 'origin/master' into Evgenii
refactoring
Merge remote-tracking branch 'origin/master' into Evgenii
Functional tests: ManageTest: 4.1.6, 4.1.7
Merge remote-tracking branch 'origin/master' into Evgenii

Conflicts:
	src/main/java/core/base/PerformanceTestBase.java
refactoring
Functional test: ManageNotificationsTest: 6.1.2
Functional test: ManageNotificationsTest: 6.1.3
Functional test: ManageNotificationsTest: 6.1.4
Functional test: ManageNotificationsTest: 6.1.5
refactoring
Functional tests: HeaderTest: 17.1.11, 17.1.12
Functional test: HeaderTest: 17.1.13
Merge remote-tracking branch 'origin/master' into Evgenii
Merge remote-tracking branch 'origin/master' into Evgenii
3.1 - 3.2 - 3.3
export tests for MonitorHostsTest
MonitorHostsTest 3.1.8