Fix for #8130 - WFS client: invalid columns after copy/paste.
Expose QgsMapToPixelSimplifier to Python
Fallback to external httplib2 when internal is not available
[Processing][Feature] Add Concave Hull algorithm
[Processing]Concave Hull - dissolve bug is fixed so taking last feature
is not necessary
[fix #10168] expression widget: grey out when disabled
use const when possible
Fix some failing tests
Fix failing composer html tests
Add tests for composer html multi frames using smart breaks
Tweak UI for symbol builder and selector.

- Move blend options to below symbol builder
- Move Save symbol to under symbol stack
- Move open Symbol manager to next to group dropdown
Fix sip compile problems
Only enable update selection in field calc when we have a selection
Show feature count in field calc
expression widget: do not provide new expression at each keypress
map layer combo: emit signal on setLayer even if index is not changed
map layer combo: emit signal before return
field expression widget: better documentation
Q_PROPERTY to define dialog title in field expression widget
assign network access manager to QWebPages (fixes #10189)
#9861: Fix offsetline-GEOSOffsetCurve for multigeometries