Fix for #8130 - WFS client: invalid columns after copy/paste.
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
[processing] fix error when editing script help
Fix server debug log
postgres provider: fix lookup of aliased columns
layer selection identify: show 'all' layers only when there are multiple layers
postgres provider: retrieve srs from postgis
fix windows build
[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