#306 SVNExplorer - using repositories - wip
#306 SVNExplorer - issue model - wip
#306 SVNExplorer - issue model - wip - generic issue status
#306 SVNExplorer - issue model - wip - added TODOs about the need for new services
#306 SVNExplorer - issue model - wip - formatting of messages with issues
#306 SVNExplorer - issue model - wip - issue update time & issue search at service level
#306 SVNExplorer - revision search updated
#306 SVNExplorer - revision controller
#306 SVNExplorer - revision info with the repository
#306 SVNExplorer - issue search provider
#306 SVNExplorer - issue controller