merge MetaSearch into QGIS core
[fix #11872] do not call activateLayerRelatedAction after selection change if layer is not current layer
[processing] enlarge column width in batch processing GUI (fix #11879)
[processing] fix column autofill in batch mode (fix #11876)
[processing] fix VectorWriter class (fix #11875)
[processing] fix extent selection in batch mode (fix #11878)
annotation items: save coordinates using qgsDoubleToString instead of QString::number (fixes #11883)
Print link to cdash on travis
remove 18n not required for core plugins
Merge pull request #1740 from geopython/MetaSearch-core-merge-no-tests

merge MetaSearch into QGIS core
Add ENABLE_MODELTEST cmake variable/define, default to false
Add support for testing LayerTreeModel from the app
Fix flags for invalid LayerTreeModel index

.. bug reported by ModelTester
Make existing ModelTest users use the new ENABLE_MODELTEST define
Initialize all members, to reduce misleading valgrind reports
give dialog a correct name

Signed-off-by: Werner Macho <werner.macho@gmail.com>
More const-correctness for QgsGeometry