add RenameCommandFilter.getLeafProjects
fix RenameCommandFilter.getLeafProjects
add IProjectProvider.GetLeafDependentProjects
ProjectProvider.GetLeafDependentProjects works OK
Rename refactoring should get solution-wide symbol usages
Rename refactoring checks entire relevant project graph instead of leaf projects only
Rename refactoring checks if the symbol is defined in the current solution
refactor Rename refactoring
extract ListFSharpProjectsInSolution DTE extension method

fixed: Rename refactoring does not work for fsx files
Merge pull request #320 from vasily-kirichenko/solution-wide-renaming

Solution wide renaming