svn: Refactored ForNestedRootChecker - code simplified, @NotNull, inlined "goIntoNested" parameter of getAllNestedWorkingCopies() (as its value is false for all code paths)
(cherry picked from commit aa84404)
IDEA-130628 Only check directories (and not both files and directories) while detecting svn working copies for project
(cherry picked from commit de4c0ab)
IDEA-130628 Optimized svn working copies detection logic - only run "svn info" command on directory if it is either root directory (the one where detection was started) or has ".svn" child directory
(cherry picked from commit ad4434a + conflict fixes: use SVNInfo instead of Info, SVNException instead of SvnBindException)
13.1.6