fixed legend source
added hack to clear legend cache after context switch
Merge branch 'master' into legendSource-116
fixed layer order
added doctype
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 legendQuality-107