[C++] Incorporate apache/parquet-cpp codebase into Arrow C++ codebase and build system

[asfimport]

Particular logistics pending discussion and vote https://lists.apache.org/thread.html/53f77f9f1f04b97709a0286db1b73a49b7f1541d8f8b2cb32db5c922@%3Cdev.parquet.apache.org%3E

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

Related issues:

• [C++] Incorporate CLI utilities and benchmarks into Arrow codebase (supercedes)

PRs and other links:

• GitHub Pull Request #2453

_{Note: This issue was originally created as ARROW-3075. Please see the migration documentation for further details.}

[asfimport]

Wes McKinney / @wesm:
Resolved by PR 9b4cd9c