IDEA-118446 Installation and plugin update (patch) download ignores Settings / HTTP Proxy
(cherry picked from commit 90f2e9c) [r=Anna.Kozlova]
IDEA-118745 Show directory in editor tabs for non-unique filenames doesn't work for non-project files
(cherry picked from commit e560ee2) [r=Peter.Gromov]
slightly better fix for IDEA-118691
(cherry picked from commit e87a766) [r=Anna.Kozlova]
IDEA-111684 Quick Documentation should resolve values for aggregated / indirect constants
(cherry picked from commit 065fa6d) [r=Anna.Kozlova]
IDEA-118718 Occasionally seeing "Low disk space on a IntelliJ IDEA system directory partition"
(cherry picked from commit 22c7a4f) [r=Peter.Gromov/Roman.Shevchenko]
project disposed check
(cherry picked from commit ab602cb) [r=Peter.Gromov]
nonempty check
(cherry picked from commit eead8f1) [r=Peter.Gromov]
performance fix IDEA-116803
(cherry picked from commit 5bd84de)
IOBE fix IDEA-118696
(cherry picked from commit b1a787f)