change str to unicode fix #10624
Merge pull request #1496 from Gustry/dev

[processing] change str to unicode fix #10624
Typo fixes from Rome airport
Fix joinConnectedFeatures not keeping the featureParts list in sync (Funded by Sourcepole)
Merge pull request #1497 from manisandro/multilabeling_fix

Fix joinConnectedFeatures not keeping the featureParts list in sync
[composer] Improved method for setting/checking whether items are in a group
[composer] Don't snap to items within a group
[composer] Use the maximum frame width when setting a html item's content width
Allow preparing expressions in QgsDataDefined without requiring a layer
Data defined must reprepare expression if expression changes
Move decodeBlendMode to QgsSymbolLayerV2Utils
[composer] Make sure general atlas properties are imported before importing items from xml, so that items can be aware of atlas context while they are being created
[composer] Create base item widget class for composer items, clean up and remove duplicate code
[FEATURE][API] categorized render: support disabling rendering of some categories

Funded-By: norBIT
fixup 4867b7fa
[processing] fixed #10792
Use index to render legend symbol items
categorized renderer: show category by default (followup 4867b7fa)
[composer] Initial framework for data defined properties in compositions and composer items. Funded by Canton of Neuchâtel, Switzerland
[FEATURE][composer] Data defined transparency and blend modes for composer items. Funded by Canton of Neuchâtel, Switzerland