Python: Change pyarrow.Table.dataframe_from_batches API to create Table instead

[toddfarmer]

Note: This issue was originally created as ARROW-409. Please see the migration documentation for further details.

Original Issue Description:

As discussed in PR apache/arrow#216 the pyarrow.Table API to convert RecordBatches to pandas.DataFrame would be better/more flexible as follows:

table = pa.Table.from_batches(batches)
df = table.to_pandas()

Migrated issue participants:

Reporter: Bryan Cutler (bryanc)
Assignee: Bryan Cutler (bryanc)

[toddfarmer]

Note: Comment by Bryan Cutler (bryanc):
PR: apache/arrow#229

[toddfarmer]

Note: Comment by Uwe Korn (uwe):
Issue resolved by pull request 229
apache/arrow#229