Merge pull request #158 in EDELIVERY/smp from selImprov to development

smp-ui-tests/src/main/java/pages/components/Sidebar.java

...src/main/java/pages/components/baseComponents/Header.java

...n/java/pages/components/baseComponents/PageComponent.java

...-tests/src/main/java/pages/components/grid/BasicGrid.java

...-tests/src/main/java/pages/service_groups/FilterArea.java

...ain/java/pages/service_groups/edit/ServiceGroupPopup.java

smp-ui-tests/src/main/java/utils/DriverManager.java

smp-ui-tests/src/test/java/ui/BaseTest.java

smp-ui-tests/src/test/java/ui/EditPgTest.java