Adding sessionContext in History label provider.
Design changes
Setting time in timezone of the user.
reveted java files to previous version
Merge branch 'danih_ui_redesign' of git@github.com:xwic/appkit.git into appkit_5.0
Merge branch 'alexc_#1240_Show_Time_In_Timezone_Of_User' of git@github.com:xwic/appkit.git into appkit_5.0

Conflicts:
	de.xwic.appkit.webbase/src/de/xwic/appkit/webbase/history/wizard/HistoryLabelProvider.java
added timezone to Compare Wizard
Timezone/Dateformat on HisWizard