[processing] fix GRASS 7 r.watershed
[processing] fix GRASS 64 r.watershed
Remove single select tool, merge into Select By Rectangle.  Fix #10824

- New tool named Select Feature(s) does both actions one tool
- select(), selectByRectangle() return SelectFeatures action to maintain
  API
Make QScintilla a required dependency
canvas: remove keys for switching single/multithreaded and showing rendering times (fixes #10827)
Funded-By: norBIT
feature renderers: don't display not rendered class in catch-all class and fix class counting (followup d4b8c407c and 4867b7fa)

Funded-By: norBIT
Merge pull request #1500 from gioman/grass7watershed

[processing] fix GRASS 7 r.watershed
Merge pull request #1501 from gioman/grass64watershed

[processing] fix GRASS 6.4 r.watershed
[FEATURE] Color picker option in color button context menu, which allows for sampling a color from anywhere on the screen. Supports holding the left mouse button to continuously sample. Pressing space also triggers a sample for Windows, where mouse clicks outside the QGIS window are unavoidably propagated onward.
debian packaging update
Funded-By: norBIT
Remove sqlanywhere plugin and provider (implements #10840)
german translation update
Begin test suite for data defined composer settings
Port possibility to have several grids / crs in composer map from QGIS Enterprise to master
Adapt user interface for multiple grids
Compatibility methods to simulate old composer map grid
[processing] refactor OGR algorithms to use commandline tools, not
bindings
remove unused files, code cleanup
[processing] fixed cmake
deleted EnumerateTableField description (redundant)