more values for rel attribute
(cherry picked from commit b2464ec, r = Dmitry Avdeev)
use RecursionManager instead of manual recursion prevention
#WEB-331 fixed
(cherry picked from commit 96f572b, r = Dmitry Avdeev)
adding a new ExtensionFileNameMatcher should re-assign file type for files previously associated with ExactFileNameMatcher
(cherry picked from commit 44ea42d) https://upsource.labs.intellij.net/idea-community/review/IDEA-COMMUNITY-CR-874