IDEA-94942 Force SVNKit implementation for 1.6 working copies
IDEA-94942 Refactored merge, update implementation to use common command listener
IDEA-94942 Support nullable handler for update commands
IDEA-112802 Initial checkout implementation (with svn command line client)
IDEA-112802 Fixed parameters for "checkout completed" event
IDEA-94942 Utility methods to parse svn command line warnings
IDEA-112181 Lock/Unlock actions implemented
IDEA-112181 Lock data parsing for "svn info" command
IDEA-112181 Handling readonly files with or without "svn:needs-lock" property
IDEA-112179 "Set property" action implemented
IDEA-112179 Add/Edit/Delete svn properties
IDEA-112179 PropertiesComponent refactored - duplication removed
Merge branch 'svn1_8_new'