Merge commit '7087c8de43b0d5d27c52da6ba2ba4957b7e336ff' into new_merge

Import libxo-1.3.0:
- move from "oxtradoc" to RST/Sphinx documentation
- new "csv" encoder, which allows path and leaf lists
- address warnings from PVS-Stdio tool
- add "xolint" detected errors to the documentation

Upgrade libxo to 0.4.5.

Local changes incorporated by 0.4.5: r284340
Local changes retained: r276260, r282117

Obtained from: https://github.com/Juniper/libxo

Upgrade libxo to 0.3.2.

Obtained from: https://github.com/Juniper/libxo/tree/0.3.2
Requested by: Phil Shafer <phil@juniper.net>

This import incorporates local change 279966.
Local change 276260 has been merged-in.

Upgrade libxo to 0.1.6.

Summary of changes:
1. Coverity defect fixes

Obtained from: https://github.com/Juniper/libxo/releases/tag/0.1.6

Import libxo 0.1.4

Obtained from: https://github.com/Juniper/libxo
Sponsored by: Juniper Networks, Inc.

Upgrade libxo to 0.4.5.

Local changes incorporated by 0.4.5: r284340
Local changes retained: r276260, r282117

Obtained from: https://github.com/Juniper/libxo

Upgrade libxo to 0.3.2.

Obtained from: https://github.com/Juniper/libxo/tree/0.3.2
Requested by: Phil Shafer <phil@juniper.net>

This import incorporates local change 279966.
Local change 276260 has been merged-in.

Upgrade libxo to 0.1.6.

Summary of changes:
1. Coverity defect fixes

Obtained from: https://github.com/Juniper/libxo/releases/tag/0.1.6

Import libxo 0.1.4

Obtained from: https://github.com/Juniper/libxo
Sponsored by: Juniper Networks, Inc.