near only works w/points, rename intersect

Conflicts:
	jstests/geo_s2edgecases.js
	jstests/geo_s2index.js
	jstests/geo_s2indexoldformat.js
	jstests/geo_s2near.js
	src/mongo/db/geo/geojsonparser.cpp
	src/mongo/db/geo/geojsonparser.h
	src/mongo/db/geo/geojsonparser_test.cpp
	src/mongo/db/geo/s2common.cpp
	src/mongo/db/geo/s2common.h
	src/mongo/db/geo/s2cursor.cpp
	src/mongo/db/geo/s2index.cpp
	src/mongo/db/geo/s2nearcursor.cpp
	src/mongo/db/jsobj.cpp
SERVER-7906 fix sharded geonear test
2dsphere geonear requires spherical: true