refactoring: extracted JrxmlManipulator
place images in template instead on a single legend image page
Merge branch 'legendQuality-107' into staging
Merge pull request #18 from lat-lon/layerOrder-109

fixed layer order
Merge pull request #19 from lat-lon/legendSource-116

Legend source 116
Merge pull request #20 from lat-lon/doctype-37

added doctype
Merge branch 'master' into staging