Changelog for InaSAFE 4.2.0
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* Tools : Improved display of field preview in the Keywords wizard

* Documentation : Wizards now have context sensitive help

* Reporting : Added ability to override templates

* Reporting : Re-implemented infographics as composer templates

* Reporting : Enable atlas generation on reporting

* Reporting : Provision of InaSAFE expressions and project variables for easy report customisation

* Impact Functions : Removed separate workflow for Earthquake impact functions

* Impact Functions : Allow exposure data driven classification

* Impact Functions : Support for Land Cover economic impact calculations

* Impact Functions : Added support for working with multi-band rasters