scala/scala 11 merged 8 open

• [11050] ArrayDeque correctly resets with new Array when inserting and resize is necessary Aug 4
• [11049] Fixes scala/bug#11049 Aug 4
• [11054] Add lower priority BuildFrom[IterableOnce[_], A, IterableOnce[A]] Aug 6
• [11047] Fix regression in {ArrayDeque,Queue,Stack}.sliding Aug 7
• [#10919] Deprecate Map.{filterKeys,mapValues} while undeprecating those in MapView Aug 7
• [11041] Deprecate .zipped method on tuples Aug 8
• [#10791] Add test coverage for already fixed bug in Stream#updated Aug 8
• [#10765] Add test coverage for TrieMaps with null values Aug 9
• Add immutable.IndexedSeqView and stack-/heap-safe implementations Aug 11
• [11069] Upcast View[A]#iterableFactory to IterableFactory[View] Aug 12
• [WIP][Not complete] Followup to #7048 -- Split Views into mutable and immutable versions Aug 12
• [#11067] Implementing classes of Views are private[collection] Aug 13
• View.Single#iterator calls Iterator.single Aug 14
• [#11065] optionToIterable returns Iterable.empty Aug 14
• [10765] TrieMaps handle null values, and TrieMapTest tests TrieMaps Aug 16
• [8406] ProcessBuilderImpl catches exceptions thrown on background thread Aug 19
• VectorBuilder#addAll and VectorIterator#copyToArray/addAll use System.arraycopy Aug 20
• [11098] Add IterableOps#tapEach method Aug 22
• Create optimized s.c.i.HashSetBuilder and "Smart Builder" Aug 25