#3010 neg. yAxis.min on gauge breaks background
#3010 visual test
#2997 solidgauge issue with points past ±360° or below yAxis.min
#3039 series.options not read for 3D
#3051 layering issues in pies
#3039 3D Columns : changes to retrieveStacks and zIndex
Partial fix for Pie z Index issue #3051

Initial animation broken ?
#3051 Pie Layering
Map demo
Merge branch 'origin/bugfix'. Closes #3010. Closes #2997. Closes #3039. Closes #3051.