Add Boost.PropertyTree under JSON/XML

Author: myd7349

README.md

@@ -270,6 +270,7 @@ A curated list of awesome C/C++ frameworks, libraries, resources, and shiny thin
 
 ## JSON
 
+* [Boost.PropertyTree](http://www.boost.org/doc/libs/1_55_0/doc/html/property_tree.html) - A property tree parser/generator that can be used to parse XML/JSON/INI/Info files. [Boost]
 * [frozen](https://github.com/cesanta/frozen) - JSON parser and generator for C/C++. [GPL & GPLv2]
 * [Jansson](https://github.com/akheron/jansson) - C library for encoding, decoding and manipulating JSON data. [MIT]
 * [jbson](https://github.com/chrismanning/jbson) - jbson is a library for building & iterating BSON data, and JSON documents in C++14. [Boost]
@@ -428,6 +429,7 @@ A curated list of awesome C/C++ frameworks, libraries, resources, and shiny thin
 ## XML
 *XML is crap. Really. There are no excuses. XML is nasty to parse for humans, and it's a disaster to parse even for computers. There's just no reason for that horrible crap to exist. - Linus Torvalds*
 
+* [Boost.PropertyTree](http://www.boost.org/doc/libs/1_55_0/doc/html/property_tree.html) - A property tree parser/generator that can be used to parse XML/JSON/INI/Info files. [Boost]
 * [Expat](http://www.libexpat.org/) - An XML parser library written in C. [MIT]
 * [Libxml2](http://xmlsoft.org/) - The XML C parser and toolkit of Gnome. [MIT]
 * [libxml++](http://libxmlplusplus.sourceforge.net/) - An XML Parser for C++. [LGPLv2]