PERF: dataframe.from_records: read into list w/ itertools.islice when specifying nrows #6700
Merge branch '6700_dataframe_from_records_itertools' of https://github.com/westurner/pandas into westurner-6700_dataframe_from_records_itertools

Conflicts:
	doc/source/release.rst
	vb_suite/frame_methods.py