[processing] Add crs selection panel to scripts
[composer] Fix crash when removing item group
Option to remember selected datum transformations
don't crash when transforming between the same CRSes and update map renderer sip bindings
fix moc warning
don't use infinite in spatialite where clauses
[processing] R improvements

This commit:

Deletes Example scripts

Replaces Example scripts with more up to date versions

Adds general categories for r scripts: Basic statistics, Vector processing, Raster processing and Point pattern analysis

adds help files to all r scripts

Adds a groups of r scripts entitled Home range analysis, that includes Kernel href, LSCV Kernel, Minimum convex polygon, single linkage cluster analysis and characteristic hull method, using adehabitatHR()

Adds the following R scripts contributed by Yury Ryabov ( riabovvv(at)gmail.com ): Advanced raster histogram, Monte carlo spatial randomness, Relative distribution (distance covariate), Relative distribution (raster covariate),
[georeferencer] does not ask for output file when word file checkbox is checked
- restore settings for word file checkbox
[georeferencer] change add raster icon to be consistent with the main app theme
[globe] Make OSG_PLUGINS_PATH CMake option functional on Mac
Merge pull request #986 from p0cisk/processing_crs

[processing] Add crs selection panel to scripts
[FEATURE] leave backup when saving projects
[globe] Fix extent synchronisation
Add missing license headers
Fix bug in datum transform sync
[globe] Re-Enable sync extent button and disable home button
The home button was a duplicate of the globe in the center of the
navigation arrows
In case PROJ_LIB is set, disable grid shifts if .gsb file are not there
translation update: hindi new maintainer
fix in name of translator
add missing actionFeatureAction() to gui and sip