add php page for KML download
add function for KML creation
clean up code
add export functionality
Allow custom colors of data objects (e.g. color gradients to represent weight)
BugFix: make sure that dataset is always a number
Merge branch 'origin/piechart_experimental'
BugFix: on erroneous Highlight/Select (with empty dataset) fill in the blanks
color getter
return new object (to prevent unwanted changes on color var)
control DataObject coloring via global option
automatic loading of color information from data
BugFix: wrong usage of typedef
improve coordinate checking
BugFix: 0 is false, so a coordinate of 0.0 would be "false". Check for "undefined" instead.
convert CSV to JSON instead of KML
Merge branch 'DataLoadingUI'

Conflicts:
	js/GeoTemConfig.js
adapt loader.html to nwe CSV conversion
Merge branch 'origin/exportDataset'

Conflicts:
	js/GeoTemConfig.js
custom coloring per default OFF