Moved formatting of progress into ExecProgress class.


git-svn-id: http://sbuild.tototec.de/svn/sbuild/trunk@758 024a02f7-42f7-40fc-9f58-65666d1f2450
Added pathRelativeTo method to RichFile.


git-svn-id: http://sbuild.tototec.de/svn/sbuild/trunk@759 024a02f7-42f7-40fc-9f58-65666d1f2450
Added safeWithinTargetExecutiion method to consolidate logic of acquiring the target context and handling failure.


git-svn-id: http://sbuild.tototec.de/svn/sbuild/trunk@760 024a02f7-42f7-40fc-9f58-65666d1f2450
Factored out logic to access TargetContext. Deprecated method(s) to get a relative path, which is handled by RichFile.


git-svn-id: http://sbuild.tototec.de/svn/sbuild/trunk@761 024a02f7-42f7-40fc-9f58-65666d1f2450
Made ParallelExecContext class top level in package execute.


git-svn-id: http://sbuild.tototec.de/svn/sbuild/trunk@762 024a02f7-42f7-40fc-9f58-65666d1f2450