-2 in gtk_widget_set_usize() means 'don't change given dimension'
-2 in gtk_widget_set_size_request() = early quit function w/o an effect, thus change to -1
misc...
* entity inspector, entity list->'autofocus on selection' buttons: also do FocusAllViews() on clicking them
* focus on preferences treeview on 2nd+ call to make text search to work
* fixed WindowPositionTracker globally: minus many particular hacks, plus correct wnds positioning in Floating viewports layout
* fixed ToggleShown functionality: shown/hidden wnds states are saved and loaded correctly in Floating viewports layout
* also save/load XY and Cam viewports visibility states
* new preferences->layout icons
* fix: stop chaseMouseMotion on mouse button release
misc...
* made shaderplug msg to look not like error (but barely noticeable)
* removed Texdef_FitTexture copypasted code
* ctrl+shift+mouse strafe mode: moving mouse forward moves camera forward, back - back
* add map to recent ones on SaveMap (instead of doing that in 'open by cmd line': spoils the list)
* fix: spin buttons alignment in patch inspector
* fix: patch inspector window pos save/restore during run time
* removed console, texbro buttons in regular layout
* ent inspector: saving window splits pos in non regular layouts
* ent inspector: saving lower split pos aswell
* ent inspector: fix of: minimizing part behind middle to 0
* saving find/replace wnd pos; bringing ontop, if is (present + called)
* moved 'find unique name for' output to _DEBUG
* fix of 'GLib-CRITICAL **: Source ID was not found when attempting to remove it' in buid monitor timer
* fix: build menu customizing: command field is reachable right after creating new entry
