More GIFTI fixes#403

Merged

matthew-brett merged 6 commits intonipy:masterfrom

bcipolli:gifti-fix4

Feb 13, 2016

Commits on Feb 12, 2016

deprecation tests should actually test for warnings.
Ben Cipollini
committed
data arrays created via constructor are malformed; create via from_array.
Ben Cipollini
committed
Do not declare class variables as types; they mask failure to set instance-level variables.
Ben Cipollini
committed
make num_dim a read-only property
Ben Cipollini
committed
STY: fix up pep8 failures.
Ben Cipollini
committed
TST: add gifti string and MetaData tests.
Ben Cipollini
committed