Moved the entry to the correct position.

Moved the entry to the correct position to be in alphabetical order.

Author: armandas

README.md

@@ -715,6 +715,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [semver.c](https://github.com/h2non/semver.c) - A semver parser and render in ANSI C. [MIT]
 * [Serial Communication Library](https://github.com/wjwwood/serial) - Cross-platform, Serial Port library written in C++. [MIT]
 * [sigslot](http://sigslot.sourceforge.net/) - C++ Signal/Slot Library. [PublicDomain]
+* [SimpleSignal](https://github.com/larspensjo/SimpleSignal) - High performance C++11 signals. [PublicDomain]
 * [Stage](https://github.com/rtv/Stage) - Mobile robot simulator. [GPL2]
 * [stdman](https://github.com/jeaye/stdman) Formatted C++11/14 stdlib man pages (from cppreference). [MIT]
 * [stb](https://github.com/nothings/stb) :zap: - A range of single-file libraries for C/C++. [PublicDomain]
@@ -725,7 +726,6 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [VarTypes](https://code.google.com/p/vartypes/) - A feature-rich, object-oriented framework for managing variables in C++ / Qt4. [LGPL]
 * [ZBar](http://zbar.sourceforge.net/) - A barcode scanner library, which allows to scan photos/images/video streams for barcodes and return their value. [LGPL2]
 * [ZXing](https://github.com/zxing/zxing/) - An open-source, multi-format 1D/2D barcode image processing library implemented in Java, with ports to other languages. [Apache]
-* [SimpleSignal](https://github.com/larspensjo/SimpleSignal) - High performance C++11 signals. [PublicDomain]
 
 # Software
 *Software for creating a development environment.*