[Processing] HTML output for r.sum
How did GIS look like in 1990?

Apologies to fellow developers for being silly
fix tabstops in graduate symbol renderer widget (followup 25a7be2)
change to messagebar some messageboxes in mainapp
dxf improvements:
* save/restore dxf export dialog geometry
* reduce debugging noise
* output dxf in windows-1252 encoding
* fix label layer assignment
indentation update
german translation update
Followup to da3516c; find custom prefix QScintilla include directories
Follow up 27abd208
Fix #10747 - Don't force multi type on point features

Ref #10672 - Commited fix to force multitypes on shapefiles
Don't crash with no attribute set in graduated renderer
Use a single format string using Qt format for renderer label
migrate old renderer ranges (followup fcfafa0a)
[TRANSUP] transifex update

Signed-off-by: Werner Macho <werner.macho@gmail.com>
[composer] Ignore locked items when using move item content tool. Keeps a
consistent behaviour with the move/resize item tool, and allows for
moving item content for maps which are stacked below locked items.
[composer] Fix ctrl modifier not applying to wheel events when in move item
content mode, add missing undo merge command for item zoom (refs #7974)
[composer] Ignore null field values or expressions which result in null
when evaluating data defined settings
[composer] Don't disable widgets accompanying data defined controls when there's no need to
[composer] Default to 30 visible rows for table items, increase maximum number of rows to 99999 (fix #11284)
[composer] Add a basic test suite for QgsComposerModel