remove zombie processes

glib should detect this but sometimes process goes defunct with no watch
callback (a glib bug?), so remove it from task list
allow ~/ prefix in custom item bookmarks
fix task auto scroll first show
add design menu Edit Command
design menu Edit Command help link
update changed translations
finalize 0.9.2
autogen 0.9.2
start 0.9.2+
fix memory leak on draw selection rectangle on desktop #397
[Dialog] fix returned windowsize=1x1 [GTK 3.8+]
[Dialog] fix returned windowsize=1x1 [GTK 3.8+]
Merge branch 'next' of https://github.com/IgnorantGuru/spacefm into next