@NotNull'ed for EA-56831 - NPE: RemoteProcessSupport.release
(cherry picked from commit e761dd8)
save "Download" checkbox separately; do not search empty strings
(cherry picked from commit 13550c80624334bdae8cd13e3707448fb0a4624a)
QL console: handle Throwable as well as Exceptions
(cherry picked from commit bf9a9b8)