insert folders; replace files
add units tests
Merge remote-tracking branch 'origin/master' into randy/issue-6244
list case insensitve files/folders
when inserting a folder, detect consecutive path separators
fix multiple fodler case
unit tests for collapsing path separators
fix case sensitivity bug; add tests
add new declaration to test HTML path separator collapsing
add tests for filtered insertions
Merge pull request #7498 from adobe/randy/issue-6244

Smarter updating of URL Hints - don't overwrite filename when inserting a directory before it