FIX:  supply subjects_dir in test
ENH:  add split_label() function
ENH assert_labels_equal:  issue message specifying mismatch
FIX Label.__add__:  add subject for new label
DOC:  whats_new
OPT split_label():  determine normal based on coordinate on sphere

add fs_like argument for Freesurfer backwards compatibility
FIX:  use py-2.6 compatible syntax
STY:  remove unused import
STY
ENH:  add Label.split() method
ENH: Better linalg.svd
Merge pull request #1085 from christianmbrodbeck/split-label

Split label
Merge pull request #1122 from Eric89GXL/faster-inv

ENH: Better linalg.svd
STY
ENH Label:  add .color attribute
OPT labels_from_parc():  use Label.color attr
TEST
ENH:  blend Label colors when adding Labels
OPT parc_from_labels()
FIX grow_label():  assign Label subject