fix index
style : format
c++11 compile fixes
scons: simplify linkflags/ldflags setting / attempt to fix #2025
remove index_array from datasource and implement move semantics in featureset
fixes #2048 for topojson.input
apply 116706fd1c450bbc5f2be1ebd6b31575468140a5 fix - ref #2048
remove unused member variable