access class sun.nio.ch.DirectBuffer in priveledged action, attempt to avoid (IDEA-146944 Internal error trying to build a java 9 project )

(cherry picked from commit 605b3c08)

Increase our indexed stamp with smaller increments to avoid the indexed time to be in the observable future (IDEA-146514)
(cherry picked from commit 820d5866) [r=Alexander.Zolotov]

(cherry picked from commit a635bc50)
(cherry picked from commit f1713089)

do not log exceptions that we are handling by rebuilding indices (the exception will be logged anyway) (EA-68516)

Previous fix lacks fact of ObjectInputStream constructor to do the read over passed input stream, and such read also can fail for file with zero length
(cherry picked from commit 6717b706)

(cherry picked from commit 8cd684da) [r=Maxim.Mossienko]

(cherry picked from commit b8688c57)

(cherry picked from commit dc989c3b)

(cherry picked from commit 53a5b431)

(cherry picked from commit 35c7eb05)

(cherry picked from commit 72e5f1cf)

SyntaxTraverser: move parents() to api

(cherry picked from commit c8fcabfe)

(cherry picked from commit a8531fbf)

(cherry picked from commit 8c198f0d)

(cherry picked from commit 4ec7d06)

(cherry picked from commit fbdf0ef3)

IDEA-141977 IDEA-141935 IDEA-141979 Fixed "property not found" error handling (that could be thrown by svn 1.9 command line client)

(cherry picked from commit 20a02f60)

(cherry picked from commit d9574081) [r=Peter.Gromov]

Utilize recently added optional parameters "state" and "order_by" when
fetching issues from a server to limit query results and make updates
in "Open Task" faster.
(cherry picked from commit f1ae81a2)
Reviewed in IDEA-CR-4454

(cherry picked from commit 6dc60488)
Reviewed in IDEA-CR-4454

(cherry picked from commit d39be271)

(cherry picked from commit 5d786b96)