xcode like scroll bars for distraction free mode
(cherry picked from commit 3511897)
xcode like scroll bars for distraction free mode

(cherry picked from commit b268e09ef998fb8587a709252c166291515ed2c8)
go to action: on/off button for toggle actions, extract some features from option providers to ex implementations

(cherry picked from commit e41b51f6e85251a9dffc0e030275f0cff68bdc66)
new scratch file/scratch widget: use language substitutor in a proper way [^greg]

(cherry picked from commit 3e5f5659c099ebf58ae6aa99dd41d14fc43bcc71)
options provider only for se

(cherry picked from commit 224500798ca389e912d7ea0bfd861bd1582f9774)
go to action: perform action even the component isn't showing

(cherry picked from commit cc0cd1b9a53ce3b9bd29aa139bb7494b10c4abc6)
distraction free mode: don't paint tooltips when editor scrollbar isn't showing

(cherry picked from commit c0745bc7db84272fffc5199dea9f964e51091cba)
IDEA-131549: better matching for actions in go to action:
 — Tab placement: Top (search pattern is `tab top` or `top tab`)
 — Show UML popup (search pattern is `UML`)

(cherry picked from commit 82529ff041cf7e513badea0b1decbf6d331f6e64)
OptionsTopHitProvider.Optional -> OptionsTopHitProvider.CoveredByToggleActions

(cherry picked from commit eab57d8dbae7e2ae44288fe6db52eab21ccd6cb8)
IDEA-127636 Show History command missing in Find Action

(cherry picked from commit 82828535c7c19560b1408802ab387ac858b70edd)
IDEA-130363 Recently Edited Files list should survive restart

(cherry picked from commit b8a04975b3169836c18ee267ec39b11c7047122b)