[C++] Add conda dev recipe for libarrow and libarrow_parquet

[asfimport]

This will enable us to package libarrow and its leaf libraries in a way that's easy for Python users to portably install. We can post dev artifacts of libarrow on anaconda.org for installation

Reporter: Wes McKinney / @wesm
Assignee: Wes McKinney / @wesm

Related issues:

• [Python] Add conda dev recipe for pyarrow (blocks)

_{Note: This issue was originally created as ARROW-196. Please see the migration documentation for further details.}

[asfimport]

Wes McKinney / @wesm:
Resolved in 68b80a8